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A few secrets about GTX 970
UPDATE 1/28/15 @ 10:25am ET: NVIDIA has posted in its official GeForce.com forums that they are working on a driver update to help alleviate memory performance issues in the GTX 970 and that they will "help out" those users looking to get a refund or exchange.
Yes, that last 0.5GB of memory on your GeForce GTX 970 does run slower than the first 3.5GB. More interesting than that fact is the reason why it does, and why the result is better than you might have otherwise expected. Last night we got a chance to talk with NVIDIA’s Senior VP of GPU Engineering, Jonah Alben on this specific concern and got a detailed explanation to why gamers are seeing what they are seeing along with new disclosures on the architecture of the GM204 version of Maxwell.
NVIDIA's Jonah Alben, SVP of GPU Engineering
For those looking for a little background, you should read over my story from this weekend that looks at NVIDIA's first response to the claims that the GeForce GTX 970 cards currently selling were only properly utilizing 3.5GB of the 4GB frame buffer. While it definitely helped answer some questions it raised plenty more which is whey we requested a talk with Alben, even on a Sunday.
Let’s start with a new diagram drawn by Alben specifically for this discussion.
GTX 970 Memory System
Believe it or not, every issue discussed in any forum about the GTX 970 memory issue is going to be explained by this diagram. Along the top you will see 13 enabled SMMs, each with 128 CUDA cores for the total of 1664 as expected. (Three grayed out SMMs represent those disabled from a full GM204 / GTX 980.) The most important part here is the memory system though, connected to the SMMs through a crossbar interface. That interface has 8 total ports to connect to collections of L2 cache and memory controllers, all of which are utilized in a GTX 980. With a GTX 970 though, only 7 of those ports are enabled, taking one of the combination L2 cache / ROP units along with it. However, the 32-bit memory controller segment remains.
You should take two things away from that simple description. First, despite initial reviews and information from NVIDIA, the GTX 970 actually has fewer ROPs and less L2 cache than the GTX 980. NVIDIA says this was an error in the reviewer’s guide and a misunderstanding between the engineering team and the technical PR team on how the architecture itself functioned. That means the GTX 970 has 56 ROPs and 1792 KB of L2 cache compared to 64 ROPs and 2048 KB of L2 cache for the GTX 980. Before people complain about the ROP count difference as a performance bottleneck, keep in mind that the 13 SMMs in the GTX 970 can only output 52 pixels/clock and the seven segments of 8 ROPs each (56 total) can handle 56 pixels/clock. The SMMs are the bottleneck, not the ROPs.
A new GPU, a familiar problem
Editor's Note: Don't forget to join us today for a live streaming event featuring Ryan Shrout and NVIDIA's Tom Petersen to discuss the new GeForce GTX 960. It will be live at 1pm ET / 10am PT and will include ten (10!) GTX 960 prizes for participants! You can find it all at http://www.pcper.com/live
There are no secrets anymore. Calling today's release of the NVIDIA GeForce GTX 960 a surprise would be like calling another Avenger's movie unexpected. If you didn't just assume it was coming chances are the dozens of leaks of slides and performance would get your attention. So here it is, today's the day, NVIDIA finally upgrades the mainstream segment that was being fed by the GTX 760 for more than a year and half. But does the brand new GTX 960 based on Maxwell move the needle?
But as you'll soon see, the GeForce GTX 960 is a bit of an odd duck in terms of new GPU releases. As we have seen several times in the last year or two with a stagnant process technology landscape, the new cards aren't going be wildly better performing than the current cards from either NVIDIA for AMD. In fact, there are some interesting comparisons to make that may surprise fans of both parties.
The good news is that Maxwell and the GM206 GPU will price out starting at $199 including overclocked models at that level. But to understand what makes it different than the GM204 part we first need to dive a bit into the GM206 GPU and how it matches up with NVIDIA's "small" GPU strategy of the past few years.
The GM206 GPU - Generational Complexity
First and foremost, the GTX 960 is based on the exact same Maxwell architecture as the GTX 970 and GTX 980. The power efficiency, the improved memory bus compression and new features all make their way into the smaller version of Maxwell selling for $199 as of today. If you missed the discussion on those new features including MFAA, Dynamic Super Resolution, VXGI you should read that page of our original GTX 980 and GTX 970 story from last September for a bit of context; these are important aspects of Maxwell and the new GM206.
NVIDIA's GM206 is essentially half of the full GM204 GPU that you find on the GTX 980. That includes 1024 CUDA cores, 64 texture units and 32 ROPs for processing, a 128-bit memory bus and 2GB of graphics memory. This results in half of the memory bandwidth at 112 GB/s and half of the peak compute capability at 2.30 TFLOPS.
Introducing Windows 10 (Again)
I did not exactly make too many unsafe predictions, but let's recap the Windows 10 Consumer announcement anyway. The briefing was a bit on the slow side, at least if you are used to E3 keynotes, but it contained a fair amount of useful information. Some of the things discussed are future-oriented, but some will arrive soon. So let's get right into it.
Price and Upgrade Options
Microsoft has not announced an official price for Windows 10, if the intent is to install it on a new PC. If you are attempting to upgrade a machine that currently runs Windows 7 or Windows 8.1, then that will be a free upgrade if done within the first year. Windows Phone 8.1 users are also eligible for a no-cost upgrade to Windows 10 if done in the first year.
Quote Terry Myerson of Microsoft, “Once a device is upgraded to Windows 10, we will be keeping it current for the supported lifetime of the device.” This is not elaborated on, but it seems like a weird statement given what we have traditionally expected from Windows. One possible explanation is that Microsoft intends for Windows to be a subscription service going forward, which would be the most obvious extension of “Windows as a Service”. On the other hand, they could be going for the per-device revenue option with Bing, Windows Store, and other initiatives being long tail. If so, I am a bit confused about what constitutes a new device for systems that are regularly upgraded, like what our readers are typically interested in. All of that will eventually be made clear, but not yet.
A New Build for Windows 10
Late in the keynote, Microsoft announced the availability of new preview builds for Windows 10. This time, users of Windows Phone 8.1 will also be able to see the work in progress. PC “Insiders” will get access to their build “in the next week” and phones will get access “in Feburary”. Ars Technica seems to believe that this is scheduled for Sunday, February 1st, which is a really weird time to release a build but their source might be right.
We don't know exactly what will be in it, though. In my predictions, I guessed that a DirectX 12 SDK might be available (or at least some demos) in the next build. That has not been mentioned, which probably would have been if it were true. I expect the next possibility (if we're not surprised in the next one-to-ten days when the build drops) is Game Developers Conference (GDC 2015), which starts on March 2nd.
The New Web Browser: Project Spartan
My guess was that Spartan would be based on DirectX 12. Joe Belfiore said that it is using a new, standards-compliant rendering engine and basically nothing more. The event focused on specific features. The first is note taking, which basically turns the web browser into a telestrator that can also accept keyboard comment blocks. The second is a reading mode that alters content into a Microsoft Word-like column. The third is “reading lists”, which is basically a “read it later” feature that does offline caching. The fourth is Adobe PDF support, which works with the other features of Spartan such as note taking and reading lists.
Which Transitions Into Cortana
The fifth feature of Spartan is Cortana integration, which will provide auto-suggestions based on the information that the assistant software has. The example they provided was auto-suggesting the website for his wife's flight. Surprisingly, when you attempt to control a Spartan, Cortana does not say “There's two of us in here now, remember?” You know, in an attempt to let you know she's service that's integrated into the browser.
Otherwise, it's an interesting demo. I might even end up using it when it comes out, but these sorts of things do not really interest me too much. We have been at the point where, for my usage, the operating system is really not in the way anymore. It feels like there is very little friction between me and getting what I want done, done. Of course, people felt that way about rotary phones until touch-tone came out, and I keep an open mind to better methods. It's just hard to get me excited about voice-activated digital assistants.
As I stated before, DirectX 12 was mentioned but a release date was not confirmed. What they did mention was a bit of relative performance. DirectX 12 supposedly uses about half of the power consumption of DirectX 11, which is particularly great for mobile applications. It can also handle scenes with many more objects. A FutureMark demo was displayed, with the DirectX 11 version alongside a DirectX 12 version. The models seem fairly simple, but the DirectX 12 version appears to running at over 100 FPS when the DirectX 11 version outright fails.
Other gaming features were mentioned. First, Windows 10 will allow shadow recording the last 30 seconds of footage from any game. You might think that NVIDIA would be upset about that, and they might be, but that is significantly less time than ShadowPlay or other recording methods. Second, Xbox One will be able to stream gameplay to any PC in your house. I expect this is the opposite direction than what people hope for, rather wishing for high-quality PC footage to be easily streamed to TVs with a simple interface. It will probably serve a purpose for some use case, though.
Well that was a pretty long event, clocking in at almost two-and-a-half hours. The end had a surprise announcement of an augmented reality (not virtual reality) headset, called the “HoloLens”, which is developed by the Kinect team. I am deliberately not elaborating on it because I was not at the event and I have not tried it. I will say that the most interesting part about it, for me, is the Skype integration, because that probably hints at Microsoft's intentions with the product.
For the rest of us, it touched on a number of interesting features but, like the Enterprise event, did not really dive in. It would have been nice to get some technical details about DirectX 12, but that obviously does not cater to the intended audience. Unless an upcoming build soft-launches a DirectX 12 preview (or Spartan) so that we can do our own discovery, we will probably need to wait until GDC and/or BUILD to find out more.
Until then, you could watch the on-demand version at Microsoft's website.
Introduction, Specifications and Packaging
Today Samsung has lifted the review embargo on their new Portable SSD T1. This represents Samsung's first portable SSD, and aims to serve as another way to make their super speedy VNAND available. We first saw the Samsung T1 at CES, and I've been evaluating the performance if this little drive for the past week:
We'll dive more into the details as this review progresses.
The T1 comes well packaged, with a small instruction manual and a flat style short USB 3.0 cable. The drive itself is very light - ours weighed in right at 1 ounce.
Introduction and Technical Specifications
Courtesy of ASUS
The Rampage V Extreme is ASUS' premier product for their ROG (Republic of Gamers) line of Intel X99-based motherboards. The board offers support for all Intel LGA2011-3 based processors paired with DDR4 memory operating in up to a quad channel configuration. Given the feature-packed nature and premium ROG board-branding, the board's $499.99 MSRP does not come at that much of a surprise.
Courtesy of ASUS
Courtesy of ASUS
ASUS designed the Rampage V Extreme to handle anything an enthusiast could throw its way, integrating an 8-phase digital power system into is Extreme Engine Digi+ IV to power the board. Extreme Engine Digi+ IV combines ASUS' custom designed Digi+ EPU chipset, IR (International Rectifier) PowIRStage MOSFETs, MicroFine Alloy chokes, and 10k Black Metallic capacitors for unrivaled power delivery capabilities. ASUS also bundles their OC Panel device for on-the-fly overclocking and board monitoring, as well as SupremeFX 2014 audio solution for flawless audio.
Introduction, Specs, and First Impressions
In our review of the original LIVA mini-PC we found it to be an interesting product, but it was difficult to identify a specific use-case for it; a common problem with the mini-PC market. Could the tiny Windows-capable machine be a real desktop replacement? That first LIVA just wasn't there yet. The Intel Bay Trail-M SoC was outmatched when playing 1080p Flash video content and system performance was a little sluggish overall in Windows 8.1, which wasn't aided by the limitation of 2GB RAM. (Performance was better overall with Ubuntu.) The price made it tempting but it was too underpowered as one's only PC - though a capable machine for many tasks.
Fast forward to today, when the updated version has arrived on my desk. The updated LIVA has a cool new name - the “X” - and the mini computer's case has more style than before (very important!). Perhaps more importantly, the X boasts upgraded internals as well. Could this new LIVA be the one to replace a desktop for productivity and multimedia? Is this the moment we see the mini-PC come into its own? There’s only one way to find out. But first, I have to take it out of the box.
Chipset: Intel® Bay Trail-M/Bay Trail-I SOC
Memory: DDR3L 2GB/4GB
Expansion Slot: 1 x mSATA for SSD
Storage: eMMC 64GB/32GB
Audio: HD Audio Subsystem by Realtek ALC283
LAN: Realtek RTL8111G Gigabit Fast Ethernet Controller
USB: 1 x USB3.0 Port, 2 x USB2.0 Ports
Video Output: 1 x HDMI Port, 1 x VGA Port
Wireless: WiFi 802.11 b/g/n & Bluetooth 4.0
PCB Size: 115 x 75 mm
Dimension: 135 x 83 x 40 mm
VESA Support: 75mm / 100mm
Adapter Input: AC 100-240V, Output: DC 12V / 3A
OS Support: Linux based OS, Windows 7 (via mSATA SSD) Windows 8/8.1
Thanks to ECS for providing the LIVA X for review!
Packaging and Contents
The LIVA X arrives in a smaller box than its predecessor, and one with a satin finish cuz it's extra fancy.
Introduction and Features
Corsair’s new Carbide Series 330R Titanium Edition case is an update to their popular 330R quiet mid-tower enclosure. The new 330R Titanium Edition features both cosmetic and functional changes with the addition of a Titanium-look brushed aluminum front panel and three-speed fan control switch. In addition, the 330R incorporates excellent sound absorption material for quiet operation, numerous cooling options, and support for multiple, extended length VGA cards. The 330R enclosure features a full length, hinged front door and comes with one 140mm intake fan in the front and one 120mm exhaust fan on the back with five optional fan mounting locations along with support for liquid cooling radiators. There are currently 18 different models in the Carbide Series ranging from $49.99 up to $149.99 USD.
Foundation for a quiet PC
Here is what Corsair has to say about their Carbide Series 330R Titanium Edition enclosure: “The Carbide Series 330R Titanium Edition starts with the award-winning original 330R, and adds a brushed aluminum front panel with a three-speed fan controller. It’s designed for systems that will go into media rooms, bedrooms, dorm rooms, or any place where both silence and performance are essential. Sound damped doors and panels and clever intake fan design are combined with generous expansion room and builder-friendly features to allow you to build a silent PC that can pack a lot of power for gaming and high definition media streaming.”
Introduction and Technical Specifications
Courtesy of ECS
The ECS Z97-Machine motherboard is one of the boards in ECS' L337 product line, offering in-built support for the Intel Z97 Express chipset. ECS rethought their board design with the Z97-Machine, creating a stripped down enthusiast-friendly product that does not compromise on any of the design areas important to the expected performance of the board. At an MSRP of $139.99, ECS hits a lucrative price-point that many other manufacturers have failed to reach with an integrated Intel Z97 chipset in light of the offered features and performance.
Courtesy of ECS
The ECS Z97-Machine motherboard offers an interesting cost-to-performance proposition, cutting back on unnecessary features to keep the overall cost down while not sacrificing on quality of the core components. ECS designed the board with a 6-phase digital power delivery system, using high efficients chokes (ICY CHOKES), MOSFETs rated at up to 90% efficiency, and Nichicon-source aluminum capacitors for optimal board performance under any operating conditions. The Z97-Machine board offers the following in-built features: four SATA 3 ports; an M.2 (NGFF) 10 Gb/s port; an Intel I218-V GigE NIC; two PCI-Express Gen3 x16 slots; 3 PCI-Express x1 slots; 2-digit diagnostic LED display; on-board power and reset buttons; voltage measurement points; Realtek audio solution with ESS Sabre32 DAC; integrated VGA, DVI, and HDMI video port support; and USB 2.0 and 3.0 port support.
NVIDIA's Tegra X1
NVIDIA seems to like begin on a one year cycle with their latest Tegra products. Many years ago we were introduced to the Tegra 2, and the year after that the Tegra 3, and the year after that the Tegra 4. Well, NVIDIA did spice up their naming scheme to get away from the numbers (not to mention the potential stigma of how many of those products actually made an impact in the industry). Last year's entry was the Tegra K1 based on the Kepler graphics technology. These products were interesting due to the use of the very latest, cutting edge graphics technology in a mobile/low power format. The Tegra K1 64 bit variant used two “Denver” cores that were actually designed by NVIDIA.
While technically interesting, the Tegra K1 series have made about the same impact as the previous versions. The Nexus 9 was the biggest win for NVIDIA with these parts, and we have heard of a smattering of automotive companies using Tegra K1 in those applications. NVIDIA uses the Tegra K1 in their latest Shield tablet, but they do not typically release data regarding the number of products sold. The Tegra K1 looks to be the most successful product since the original Tegra 2, but the question of how well they actually sold looms over the entire brand.
So why the history lesson? Well, we have to see where NVIDIA has been to get a good idea of where they are heading next. Today, NVIDIA is introducing the latest Tegra product, and it is going in a slightly different direction than what many had expected.
The reference board with 4 GB of LPDDR4.
Introduction and Features
be quiet! claims to be Germany’s number one brand in PC power supplies and they are continuing to expand sales into North American markets. In this review we will be taking a detailed look at the new be quiet! Straight Power 10 800W power supply with Cable Management. There are four power supplies in the Straight Power 10 CM Series, which include 500W, 600W, 700W, and 800W models.
be quiet! designed the Straight Power 10 CM Series to provide high efficiency with minimal noise for systems that demand whisper-quiet operation without compromising on power quality. In addition to the Straight Power 10 Series, be quiet! offers a full range of power supplies in ATX, SFX, and TFX form factors.
(Courtesy of be quiet!)
All of the new Straight Power 10 Cable Management Series power supplies are semi-modular (all cables are modular except for the fixed 24-pin ATX cable). Along with 80 Plus Gold certified high efficiency, the Straight Power 10 800W modular power supply has been designed for quiet operation. It uses be quiet!’s latest SilentWings3 135mm fan for virtually silent operation (at low to mid power levels). The fan speed starts out very slow and remains slow and quiet through mid power levels.
be quiet! Straight Power 10 800W CM PSU Key Features:
• 800W continuous DC output (ATX12V v2.4, EPS 2.92 compliant)
• Virtually inaudible SilentWings3 135mm cooling fan
• 80 PLUS Gold certified efficiency (up to 93%)
• Premium 105°C rated parts enhance stability and reliability
• Powerful GPU support with four PCI-E connectors
• User-friendly cable management reduces clutter and improves airflow
• NVIDIA SLI Ready and AMD CrossFire X certified
• ErP 2014 ready and meets Energy Star 6.0 guidelines
• Zero load design supports Intel’s Deep Power Down C6 & C7 modes
• Fully Intel Haswell compatible
• Active Power Factor correction (0.99) with Universal AC input
• German product conception, design and quality control
• Safety Protections : OCP, OVP, UVP, SCP, OTP, and OPP
• 5-Year warranty
• MSRP for the Straight Power 10 800W CM PSU: $169.00 USD
Big Power, Small Size
Though the mindset that a small PC is a slow PC is fading, there are still quite a few readers out there that believe the size of your components will indicate how well they perform. That couldn't be further from the case, and this week we decided to build a small, but not tiny, PC to showcase that small can be beautiful too!
Below you will find a complete list of parts and components used in our build - but let me say right off the bat, to help alleviate as much vitriol in the comments as possible, there are quite a few ways you could build this system to either get a lower price, or higher performance, or quieter design, etc. Our selections were based on a balance of both with a nod towards expansion in a few cases.
Take a look:
|MicroATX Gaming Build|
|Processor||Intel Core i7-4790K - $334
Corsair Hydro Series H80i - $87
|Motherboard||Gigabyte Z97MX-Gaming 5 - $127|
|Memory||G.Skill Ripjaws X 8GB DDR3-2133 - $88|
|Graphics Card||EVGA GeForce GTX 970 FTW - $399|
|Storage||Samsung 250GB 850 EVO - $139
Western Digital 2TB Green - $79
|Case||Corsair Carbide Series Air 240 - $89|
|Power Supply||Seasonic Platinum 860 watt PSU - $174|
|OS||Windows 8.1 x64 - $92|
|Total Price||$1602 - Amazon Full Cart|
The starting point for this system is the Intel Core i7-4790K, the top-end Haswell processor for the Z97 chipset. In fact, the Core i7-4790K is a Devil's Canyon part, created by Intel to appease the enthusiast looking for an overclockable and high clocked quad-core part. This CPU will only lag behind the likes of the Haswell-E LGA2011 processors, but at just $340 or so, is significantly less expensive. Cooling the 4790K is Corsair's Hydro Series H80i double-thickness self contained water cooler.
For the motherboard I selected the Gigabyte Z97MX-Gaming 5, a MicroATX motherboard that combines performance and features in a mATX form factor, perfect for our build. This board includes support for SLI and CrossFire, has audio OP-AMP support, USB ports dedicated for DACs, M.2 storage support, Killer networking and more.
NVIDIA's G-Sync technology and the monitors that integrate it continue to be one of hottest discussion topics surrounding PC technology and PC gaming. We at PC Perspective have dived into the world of variable refresh rate displays in great detail, discussing the technological reasons for it's existence, talking with co-creator Tom Petersen in studio, doing the first triple-panel Surround G-Sync testing as well as reviewing several different G-Sync monitor's available on the market. We were even the first to find the reason behind the reported flickering a 0 FPS on G-Sync monitors.
A lot of has happened in the world of displays in the year or more since NVIDIA first announced G-Sync technology including a proliferation of low cost 4K panels as well as discussion of FreeSync, AMD's standards-based alternative to G-Sync. We are still waiting for our first hands on time (other than a static demo) with monitors supporting FreeSync / AdaptiveSync and it is quite likely that will occur at CES this January. If it doesn't, AMD is going to have some serious explaining to do...
But today we are looking at the new Acer XB270H, a 1920x1080 27-in monitor with G-Sync support and a 144 Hz refresh rate; a unique combination. In fact, there is no other 27-in 144 Hz 1080p monitor on the market that we are aware of after a quick search of Newegg.com and Amazon.com. But does this monitor offer the same kind of experience as the ASUS ROG Swift PG278Q or even the Acer XB280HK 4K G-Sync panels?
Drobo is frequently referred to as ‘the Apple of external storage products’. They got this name because their products go for the simplest possible out-of-the-box experience. Despite their simplicity, the BeyondRAID concept these units employ remains extremely robust and highly resistant to data loss in even the most extreme cases of drive failures and data loss. I reviewed the DroboPro 8-bay unit over 5 years ago and was so impressed by it that I continue to use one to this day (and it has never lost data, despite occasional hard drive failures).
Over those past 5 years since our review of the DroboPro, Drobo (then known as Data Robotics) has also had a bit of an Apple story. Their original CEO started the company but was ousted by the board in late 2009. He then started Connected Data in 2011, quickly growing to the point where they merged with Drobo in 2013. This was not just a merger of companies, it was a merger of their respective products. The original Transporter was only a single drive unit, where Drobo’s tech supercharged that personal cloud capability to scale all the way up to corporate environments.
Many would say that for that period where their original CEO was absent, Drobo’s products turned more towards profitability, perhaps too soon for the company, as the products released during that period were less than stellar. We actually got a few of those Drobos in for review, but their performance was so inconsistent that we spent more time trying to figure out what was causing the issues than completing a review we could stand behind. With their founder back in the CEO chair, Drobo's path was turned back to its roots - making a good, fast, and low cost product for their customers. This was what they wanted to accomplish back in 2009, but in many ways the available tech was not up to speed yet. USB 2.0 was the fastest widely available standard, aside from iSCSI over Gigabit (but that was pricey to implement and appeared in the DroboPro). Nowadays things are very different. USB 3.0 controllers are vastly more compatible and faster than they used to be, as is SATA controller hardware and ARM microcontrollers. These developments would ultimately enable Drobo to introduce what they wanted to in the first place:
This is the third generation 4-Bay Drobo. The 4-Bay model is what started it all for them, but was a bit underpowered and limited to USB 2.0 speeds. The second gen unit launched mid 2008, adding FireWire as a faster connection option, but it was still slower than most would have liked given its $500 price tag. This third generation unit promises to change all of that.
USB is once again the only connectivity option, but this time it’s USB 3.0. There have previously been other 5-bay Drobos with this as an option (Drobo S, S gen 2, 5D, Mini), but many of those units saw compatibility issues with some USB 3.0 host controllers. We experienced some of these same frustrating incompatibilities first hand, and can confirm those frustrations. Drobo is putting that behind them with a revised chipset, and today we will put it all to the test.
Introduction, Specs, and First Impressions
BitFenix has been making enclosures for the PC market since 2010 (with the massive Colossus E-ATX case), and came to prominence a couple of years later with the introduction of the Prodigy enclosure. While the company has expanded to produce power supplies and peripherals they are still primarily a case manufacturer, as evidenced by the now 31 different models on their product page. Not content to iterate on their existing designs, BitFenix has consistently introduced new chassis ideas for different form-factors and needs.
We reviewed the Colossus Micro-ATX case back in March, and it is again an enclosure built for the venerable micro-ATX form-factor that we’re looking at here. Quite the opposite of the Colossus Micro-ATX's squat design, the Pandora is smooth and very slim.
In the world of computer cases there are many variations, but they are mostly boxes with splashes of style and the occasional window. Companies like In Win are at the opposite end of the spectrum, but the design choices for a case with commitment to artistic intent often entail a considerable price tag, and In Win consistently prices itself out of the mainstream market. So what about the middle ground? Enter the BitFenix Pandora. It boasts eye-catching looks, a slim design that seems even more so given the curved panels, and even has a color LCD screen that can be programmed with the image file of your choice!
The Pandora features a programmable color LCD display, to which I affixed this incredible logo
I don’t want to dissolve into meaningless superlatives, but the Pandora is a striking design. When it was shown at Computex earlier in 2014 it was listed as a mini-ITX enclosure, and while it definitely supports mini-ITX motherboards it is the final product’s micro-ATX support that we focus on in this review. And while it would have been large as a mini-ITX enclosure the Pandora is fairly small as an mini-ATX case, most notably due to that slim profile. This comes at a price, as there won’t be as much room for storage with such a narrow width (and those looking for any optical drive support must look elsewhere). And speaking of price, while the "core" version of the case starts at around $110, this version with programmable display is currently selling for just under $160. Steep, but not outrageous either.
Meet the M320
Logitech is brand synonymous with mice, joysticks and other peripherals, providing a handy way to interact with your computer for over 20 years. Anyone who has used a computer for any amount of time knows Logitech and have used a variety of their products. Their peripheral lineup has come a long way from the beginnings, with washable keyboards, webcams and mice with over two dozen programmable buttons.
In this case we are looking at the M320 Wireless Mouse with three buttons and scroll wheel, a rubberized grip shaped for the right hand and an offset optical sensor with 1000 dpi resolution.
The Logitech M320 comes in a user friendly clamshell package with cut out flap on the back which is actually effective in opening the packaging without the need of a utility knife or a couple of stitches on your hand. Perhaps even more impressive is the fact that it ships with a battery included; not the rechargeable kind but certainly a nice touch for those of us who remember receiving toys that were unusable until someone made a trip to the store to pick up the required mix of AAA's, D's or 9V's. The documentation claims the battery will last for two years and while there was obviously no way to put that to the test the automatic sleep mode and physical power switch will ensure that your battery life will not be inconveniently short.
Introduction and Technical Specifications
Courtesy of GIGABYTE
The X99 Gaming G1 is GIGABYTE's flagship product in their gaming line of Intel X99 chipset-based motherboards. The board support all Intel LGA2011-3 based processors paired with DDR4 memory in up to a quad channel configuration. The X99 Gaming G1 board prominently features GIGABYTE's new Gaming-line branding, adding sleek looks to its feature-packed design. At an MSRP of $349.99, the board comes at a premium price to match it premium status.
Courtesy of GIGABYTE
Courtesy of GIGABYTE
Courtesy of GIGABYTE
The X99 Gaming G1 board was designed to take any abuse thrown its way, packing an 8-phase digital power system. GIGABYTE designed the board's power delivery system using top-rated components, including International Rectify Gen 4 digital PWM controllers and Gen 3 PowIRstage controllers, Cooper Bussmann Server Level chokes, and long life Durable Black Solid capacitors. For the integrated sound solution, GIGABYTE paired the X99 Gaming G1 board with the Creative Sound Core3D&trade quad-core audio processor, high-end audio capacitors, and a removable OP-AMP for a superior and customizable integrated audio experience.
Introduction and Specifications
Several weeks ago, during an episode of the PC Perspective Podcast, we talked about a new all-in-one machine from MSI with a focus on gaming. Featuring a quad-core Intel Haswell processor and a GeForce GTX 980M GPU, the MSI AG270 2QE takes the best available hardware for mobile gaming and stuffs them into a machine with an integrated 1080p touch screen. The result is likely to be the most potent gaming AIO that you will find available; it should be more than capable of tackling modern games at the integrated panel's 1920x1080 resolution.
A gaming all-in-one is an interesting idea - a cross between the typical gaming desktop and a gaming laptop, an AIO splits the difference in a couple of interesting ways. It's more portable than a desktop and monitor combination for sure, but definitely heavier and bulkier than MSI's own GT72 for example. The AG270 offers a much larger screen (at 1080p) than any gaming notebook on its own, which improves the overall gaming experience without the need for additional hardware. While not ideal, it is totally feasible to take the AG270 with you to a neighbor's house for some LAN party action.
So what do you get with the MSI AG270 2QE, and more specifically, with the 037US kit we are reviewing today? Let's find out.
Continue reading our review of the MSI AG270 2QE-037US gaming all-in-one!!
Introduction and Internals
We've seen USB 3.0 in devices for a few years now, but it has only more recently started taking off since controllers, drivers, and Operating Systems have incorporated support for the USB Attached SCSI Protocol. UASP takes care of one of the big disadvantages seen when linking high speed storage devices. USB adds a relatively long and multi-step path for each and every transaction, and the initial spec did not allow for any sort of parallel queuing. The 'Bulk-Only Transport' method was actually carried forward all the way from USB 1.0, and it simply didn't scale well for very low latency devices. The end result was that a USB 3.0 connected SSD performed at a fraction of its capability. UASP fixes that by effectively layering the SCSI protocol over the USB 3.0 link. Perhaps its biggest contributor to the speed boost is SCSI's ability to queue commands. We saw big speed improvements with the Corsair Flash Voyager GTX and other newer UASP enabled flash drives, but it's time we look at some ways to link external SATA devices using this faster protocol. Our first piece will focus on a product from Inateck - their FE2005 2.5" SATA enclosure:
This is a very simple enclosure, with a sliding design and a flip open door at the front.
Introduction and Features
SilverStone has a long-standing reputation for providing a full line of high quality enclosures, power supplies, cooling components, and accessories for PC enthusiasts. Today we are going to mix it up a bit and focus our attention on smaller rather than larger. Not everyone needs or wants a 1,000W plus PC power supply. And if you have a small form factor case or are struggling to find room inside a cramped ATX enclosure, SilverStone’s new SX600-G SFX power supply may just be the solution you are looking for.
The new SX600-G SFX power supply was designed for small form factor cases but comes with an ATX adapter plate so it can be used in a standard ATX enclosure as well. In addition to its small size, the SX600-G features high efficiency (80 Plus Gold certified), all modular flat ribbon-style cables, and provides up to 600W of continuous DC output; pretty impressive for such a small package. Also new is the ability to operate in semi-fanless mode (cooling fan turns off at low power).
SX600-G SFX 600W PSU Standard ATX 600W PSU
The last time we looked at a SilverStone SFX power supply was in 2012 when we reviewed the updated ST45SF-G, which was rated at 450W. SFX power supplies continue to occupy a niche market and address a slightly different set of needs than the standard ATX units we typically use and review at PCPerspective.
Here is what SilverStone has to say about their new SX600-G SFX PSU: “After releasing the breakthrough SFX power supply in 2012 with the ST45SF-G, SilverStone has pushed the technical envelope even further with yet another industry defining design in the SX600-G. This small form factor PSU has the exact same dimensions as its predecessor but its power density has increased from 567W per liter (in the ST45SF-G) to 756W per liter. The result is a standard sized SFX PSU with an incredible 600W of continuous power, a level that is capable of supporting any single graphics card system with ease.
Besides the power increase, the SX600-G comes standard with flexible, flat modular cables similar to those in the PP05-E short cable kit for vastly improved cable management in smaller cases. It also has added semi-fanless capability that was first introduced to SFX PSUs by the ST30SF so its quiet running fan can remain turned off during ideal low load or idle conditions for complete silence. As before, an ATX adapter bracket is included to enable users to install this PSU into any small or even larger cases that do not have SFX mounting holes. For the most ardent SFF enthusiasts, the SX600-G is truly a dream come true that combines the convenience of SFX size and all the top of the line features one can expect from high-end ATX PSUs into one product.”
SilverStone SX600-G SFX Power Supply Key Features:
• Supports standard SFX form factor (and ATX via included adapter)
• 600W Continuous DC output (up to 40°C)
• High efficiency with 80 Plus Gold certification
• 100% Modular cables, flat ribbon-style
• Intelligent semi-fanless operation
• Strict ±3% voltage regulation with low AC ripple and noise
• Class leading single +12V rail with 50A (600W)
• Two PCI-E 6+2 pin connectors
• Protections: OCP, OVP, OPP, and SCP
• Universal AC input and Active PFC
• MSRP $129.99 USD
Finding Your Clique
One of the difficulties with purchasing a mechanical keyboard is that they are quite expensive and vary greatly in subtle, but important ways. First and foremost, we have the different types of keyswitches. These are the components that are responsible for making each button behave, and thus varying them will lead to variations in how those buttons react and feel.
Until recently, the Cherry MX line of switches were the basis of just about every major gaming mechanical keyboard, although we will discuss recent competitors later on. Its manufacturer, Cherry Corp / ZF Electronics, maintained a strict color code to denote the physical properties of each switch. These attributes range from the stiffness of the spring to the bumps and clicks felt (or heard) as the key travels toward its bottom and returns back up again.
|45 cN||Cherry MX Red||
Cherry MX Brown
Cherry MX Blue
Cherry MX White (old B)
|55 cN||Cherry MX Clear|
|60 cN||Cherry MX Black|
|80 cN||Cherry MX Linear Grey (SB)||Cherry MX Tactile Grey (SB)||
Cherry MX Green (SB)
Cherry MX White (old A)
Cherry MX White (2007+)
|90 cN||IBM Model M (not mechanical)|
|105 cN||Cherry MX Click Grey (SB)|
|150+ cN||Cherry MX Super Black|
(SB) Denotes switches with stronger springs that are primarily for, or only for, Spacebars. The Click Grey is intended for spacebars on Cherry MX White, Green, and Blue keyboards. The MX Green is intended for spacebars on Cherry MX Blue keyboards (but a few rare keyboards use these for regular keys). The MX Linear Grey is intended for spacebars on Cherry MX Black keyboards.
The four main Cherry MX switches are: Blue, Brown, Black, and Red. Other switches are available, such as the Cherry MX Green, Clear, three types of Grey, and so forth. You can separate (I believe) all of these switches into three categories: Linear, Tactile, and Clicky. From there, the only difference is the force curve, usually from the strength of the spring but also possibly from the slider features (you'll see what I mean in the diagrams below).