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Subject: General Tech
Manufacturer: Penclic

Introduction

The Professional Typist MK1 from Penclic is a compact, tenkeyless (TKL) mechanical keyboard with Kailh Brown switches that the Swedish company has designed "for the professional typist that wants to type fast, really fast."

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"Whether you are an engineer writing reports, journalist writing articles, or anyone else who uses a keyboard a lot, you require the best tool for the job. The brown mechanical keys give a distinct feel for when you have pressed far enough and are more responsive than membrane alternatives and the keystroke sound is also suitable for the office environment. These features enable users with extra nimble fingers to type superfast."

A relative newcomer to the PC industry (and one I had not heard of before now), Penclic was founded in 2011 and specializes in ergonomics and "smart, clean Scandinavian design". I can certainly appreciate the clean design aesthetic, which is refreshing after mainly covering products in an industry that thinks PC enthusiasts want RGB lighting on everything and Batmobile-inspired industrial design.

This keyboard may not be targeted specifically at "gamers", (it is called the "Professional Typist MK1" after all) but it could certainly be used in that capacity. Key switches are a personal thing - as is standard vs. TKL (and 60%, etc.) - but Penclic may just have produced a product that can appeal to just about any user.

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Continue reading our review of the Penclic Professional Typist MK1 mechanical keyboard!!

The watercooled Asus ROG GX800VH

Subject: Mobile | September 13, 2016 - 01:02 PM |
Tagged: asus, ASUS ROG, GX800VH, watercooling

Kitguru got their hands on the ASUS ROG GX800, the gaming laptop with the docking station that provides watercooling.  The design is unique and it certainly looks big enough to deal with the heat produced by a pair of desktop class GTX 1080s and an overclocked i7-6820HK.  The laptop's cooling system links to the radiator and pump inside the docking station via a small port on the bottom of the laptop, which also has dual 330W power bricks to add extra power to the system.  From the testing it seems ASUS really did do a great job, the four different profiles based on the amount of power and cooling available to the laptop do have an effect on performance which shows in the benchmarks.  The price is going to be equally impressive, when ASUS finally releases the GX800.

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"The model code suggests that GX800 is an upgrade of GX700, however that is wide of the mark. GX800 has a similar appearance to GX700 but the hardware is all new, starting with a pair of Nvidia GTX 1080 GPUs in SLI. Yes, two 1080s in a laptop, driving a 4K display for maximum gaming pleasure."

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Source: Kitguru

The holodeck down under, an update from Euclideon

Subject: General Tech | September 13, 2016 - 12:38 PM |
Tagged: VR, holoverse, euclideon

It is hard to believe but it was indeed five years ago when Euclideon first started talking about their Unlimited Detail technology and how it can be used to create a holodeck.  You can now visit their first hologram entertainment centre, assuming you can get to Australia where the centre is located.  The video that [H]ard|OCP posted along with their interview looks very impressive, though it is difficult to get a feeling of what it would be like inside the room.

Ryan sat down (virtually) with the CEO of Euclideon, Bruce Dell, to talk about the recent updates to their Euclideon Unlimited Detail engine, the addition of animation capability and the opening of virtual reality hologram entertainment rooms based on the tech.

The technology used to create the rooms is fascinating and very different from the polygon based rendering techniques we are accustomed to.  They have named it Unlimited Detail and describe it as using 'trillions of little computer generated atoms' to create flat images on the wall or 3D holograms inside the room. Their UD engine can also stream 3D graphics from hard drives at a speed which does not need a cache, essentially giving them unlimited video memory which they use to project the equivalent of 20,000,000 converted polygons per square metre.  Check out the article as it is well worth looking at.

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"It's been five years since we last heard from Bruce Dell of Euclideon about its Unlimited Detail Technology and how he saw it changing the gaming world. Since then Bruce has not been sitting on his hands, and are now delivering the Holoverse VR / AR experience to the folks Down Under. And a new video showing this off!"

Here is some more Tech News from around the web:

Tech Talk

Source: [H]ard|OCP

Why just build a system when you can frame it? Thermaltake's Core P3 wall mount enclosure

Subject: Cases and Cooling | September 12, 2016 - 03:35 PM |
Tagged: wall mount, thermaltake, Core P3

We spotted the Thermaltake Core P3 wall mounted enclosure at CES but never had a chance to set up a system inside of it.  Recently [H]ard|OCP did have an opportunity to test out this enclosure which can either stand on its own or be easily attached to a wall.  They walk you through the assembly of the case, the variety of accessories which ship with the case and the various configuration options the Core P3 offers.  Not only does this case make your system look very unique, it passed their cooling tests with flying colours.  It retails for ~$120, not bad at all for a decent case, let alone such a unique looking one.  Check out their full review right here.

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"The Thermaltake Core P3 chassis can be mounted standing, in a desktop orientation, or directly to the wall. The open design allows you to see all the components in your system easily and the wall-mount option allows you to place your system in view like a work of art. All of these options come in at an easy-on-the-wallet price as well."

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Source: [H]ard|OCP

It's not a Proton Pack, it's the MSI VR One backpack PC

Subject: Systems, Mobile | September 12, 2016 - 01:57 PM |
Tagged: VR One, msi, VR, backpack, htc vive

MSI released some more images of their VR One backpack PC designed to give you more freedom of movement when playing around in VR and to make it easier to cart around to show off to friends and relations.  We know very little about the internals as of yet, it will have an unspecified overclocked CPU and a GTX 10 series graphics card and will weigh 2.2kg empty, 3.6kg with a batteries installed; it ships with two which are hot-swappable.  At 1.5 lbs each, it will be very interesting to see which storage cell technology they used to reach the estimated 1.5 hours of full speed gameplay.  It also ships with an adapter so you can utilize mains power.

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The VR One is HTC VIVE optimized though in theory an Oculus should work as the connectivity includes an HDMI port, MiniDP and one ultra-speed Thunderbolt 3 port, aka USB 3.1 Type-C as well as four USB 3.0 ports.   Cooling is provided by two 9cm ultra blade fans and 9 heat pipes which should only produce noise 41dBA which is good as the system will be on your back while you are using it.

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Not all the flashing lights on the backpack are for show, LEDs will tell you the status of your battery to let you know when to swap it out.  This can be achieved without shutting the system down, presumably there is a physical switch on the armoured shell of the backpack to allow this feat as it would not accomplish much simply doing it in VR.  You can pop by MSI for more information on the MSI Dragon Center system software and the SHIFT Technology, aka the fan controller.

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Source: MSI

A new breakthrough in spine care! Read your book through the cover, or the introduction at least.

Subject: General Tech | September 12, 2016 - 12:40 PM |
Tagged: mit, terahertz camera, georgia tech

MIT have come up with a camera which radiates EM at terahertz frequencies which can read a bit of a closed book thanks to the difference in reflectivity between ink and paper.  This is less a spy device than a way to read ancient scrolls and parchments which could disintegrate at a touch.  The camera can only penetrate to a depth of about nine pages before the clarity of the image degrades and the text can no longer easily be read.  The software the camera communicates with is able to recognize the letters and words in the images, it is not the scientists who read the manuscripts directly.  The Inquirer points out that this means it is also capable of defeating captchas, an impressive feat in and of itself though one with possible negative repercussions.

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"IMAGINE IF you could read a book like Superman. Well, thanks to research by MIT and Georgia Tech, X-ray vision could be the next big thing in reading after the team created a camera that can read closed books."

Here is some more Tech News from around the web:

Tech Talk

Source: The Inquirer

Introduction, Specifications, and First Impressions

Cooler Master has introduced a pair of new all-in-one liquid CPU cooler designs, with the former Nepton series now replaced by the MasterLiquid Pro 120 and 240. It is the larger of these that we have for you today, and in this review we'll see just how well this new design performs.

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“Based on our expertise in thermal technology, we reengineered how liquid absorbs and expels heat throughout the all-in-one (AIO) closed loop of the cooler. Our holistic approach to the flow puts in your hands a comprehensive cooling machine that lasts longer, performs better and requires virtually no maintenance.”

The MasterLiquid Pro 240 uses what Cooler Master is calling “FlowOp Technology”; a series of design choices that are intended to improve all aspects of the cooler's efficiency. It begins with the pump, which “sprays liquid directly at the center of the water block”, and the block, which offers what Cooler Master claims to be 657% more surface area (thanks to many more “ultra-fine fins on the copper base”) and 40% greater performance compared to previous designs.

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The radiator features a square fin design, which the company claims “creates greater surface area for absorption of the heat and allows for spacious airflow”.

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These claims, along with a pair of Cooler Master’s new “MasterFan Pro Air Balance” fans, make this new design sound very powerful, and I couldn’t wait to get it on the testbench to find out just how powerful - and quiet - it might be.

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Continue reading our review of the Cooler Master MasterLiquid Pro 240 CPU Cooler!

Cancer sucks: Donate for a chance to win a GTX 1080!

Subject: Editorial | September 12, 2016 - 12:13 PM |
Tagged: sweepstakes, giveaway, contest, cancer, amy

Every once in a while I call upon our amazing community to help out someone in need. We have done raffles for the Down Syndrome Association, others to support members that have suffered heart attacks, and now I ask for your help in supporting my own family. My sister-in-law, a 30 year old mother of two amazing children, was diagnosed with stage 3 breast cancer last month. As you might expect in an environment where both parents need to work to support the kids, losing your income from a semi-full-time position can have a dramatic impact.

As a result, I am raffling off an EVGA provided GeForce GTX 1080 ACX 3.0 graphics card worth over $700. In return, I ask that readers and fans of PC Perspective donate to my sister-in-law Amy's GoFundMe campaign with a minimum of $5.00. Getting even a small portion of our audience to pitch in will make a dramatic difference in the family's stability and mind set as she continues with the first several sessions of chemotherapy.

I encourage you to enter the contest below and contribute to the GoFundMe campaign. From all of us at PC Perspective and the Shrout/Roark family: Thank you.

Cancer sucks: Donate for a chance to win a GTX 1080!

Humble Store Is Giving Away Tropico 4

Subject: General Tech | September 9, 2016 - 07:09 PM |
Tagged: pc gaming, Kalypso, humble bundle

Update: Annnnnnnnnnnd it's over. Sorry everyone who just noticed the post. Original below.

If you have heard about the On The House promotion from EA's Origin service, then this will sound familiar. For the next eighteen hours, the Humble Store is giving away Tropico 4 from Kalypso Media Digital. It does not include any of the expansions or DLC, but it normally retails for $17 CDN and you're getting it for free if you redeem it before it expires. Also, according to the Steam page, the game requires that users register a (free) account with Kalypso to login.

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Again, you're getting it for free, though, and I know of a few people that love it. Tropico is a city-building game of sorts, except that, instead of playing as an omnificent being that benevolently rules over a region, you play as an actual dictator. I haven't played it myself, but I just added it to my Steam account, so I'll hopefully get around to it soon.

Source: Humble Store

Adrian Courrèges Discusses DOOM Rendering Techniques

Subject: General Tech | September 9, 2016 - 03:52 PM |
Tagged: doom, pc gaming, bethesda

Adrian Courrèges is a software developer who, from time to time, does a break down on rendering techniques for major gaming titles. His latest one is on DOOM, and it explains, in remarkably simple (given the subject matter) terms, how the game draws a frame at a point early in the game. Most of the information was gathered from using debug tools, but a bit was pulled from Tiago Sousa and Jean Geffroy's slide deck at last month's SIGGRAPH conference.

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I obviously cannot really summarize what the article says in this post. You kind-of need to read it for yourself. The post goes into how Vulkan is used for updating Mega-Textures, but it doesn't go into anything like asynchronous compute, though. Most of the figures are animated too, usually by a slideshow of images, but a few WebGL demonstrations are included, too.

Dahhhling, we only use Designare boards here. Gigabyte's new Z170X

Subject: Motherboards | September 9, 2016 - 01:55 PM |
Tagged: Z170X-Designare, gigabyte, RGB

At $250 the Gigabyte Z170X-Designare motherboard is a bit on the expensive side for this chipset but it does come with a long list of features which make it interesting.  This ATX board has both three reinforced PCIe 16x and 1x slots as well as onboard U.2, Thunderbolt 3 with dual USB 3.1 Type-C, and dual Intel LAN which is more that you find on a Z170 board.  Modders Inc offers more information on additional features present on this board, including the RGB rash present on it, as well as performance benchmarks in this recent review.

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"The majority of mainstream motherboards are priced under $200. When it comes to describing one situated north of this border, "practical" is not exactly the first word that comes to mind. For the budgetary pragmatic, this is indulgence territory and for the most part that is a correct assessment. But as the old proverb goes, all work and no play …"

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Source: Modders Inc

The GTX 1050 is scheduled to launch at the end of September but ...

Subject: General Tech | September 9, 2016 - 12:44 PM |
Tagged: rumour, nvidia, gtx 1050

DigiTimes have heard that NVIDIA hope to release the GTX 1050 at the end of the month or early in October but there are hints it may be somewhat of a paper launch.  NVIDIA will have some silicon for sale but only a few who are quick enough on the draw will be able to purchase them; similar to the launch of the GTX 1080 and 1070 or even AMD's new cards for that matter.  Both vendors had great difficulty providing retailers with cards to sell at launch, the supply has increased and prices are much closer to the MSRP than they were a month ago but there are still plenty of out of stock models when you start looking for deals. 

Hopefully this situation will resolve soon, but for now patience is recommended for upgraders on a tight budget.

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"Nvidia's Pascal-based GeForce GTX 1080, 1070 and 1060 graphics cards are seeing strong demand from the market and therefore are currently in tight supply. To further expand into the market, Nvidia is planning to release its mid-range GTX 1050 graphics card at the end of September at the earliest."

Here is some more Tech News from around the web:

Tech Talk

Source: DigiTimes
Subject: Motherboards
Manufacturer: ASUS

Introduction and Technical Specifications

Introduction

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Courtesy of ASUS

The Maximus VIII Formula is the latest board in the ROG (Republic of Gamer) board line, featuring the Armor overlay common to the Formula and Sabertooth boards, integrated RGB LEDs throughout the board's surface, and support for the Intel Z170 chipset. The base board aesthetics feature the ROG standard black and red in an ATX form factor. The board's integrated Intel Z170 chipset gives the board support for the latest Intel LGA1151 Skylake processor line as well as Dual Channel DDR4 memory. The Maximus VIII Formula can be found in the wild for an MSRP of $399, making it more expensive than most offerings but justified in light of the integrated features and design quality of the board.

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Courtesy of ASUS

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Courtesy of ASUS

ASUS integrated the following features into the Maximus VIII Formula board: four SATA 3 ports; two SATA-Express ports; one U.2 32Gbps port; one M.2 PCIe x4 capable port; an Intel I219-V Gigabit NIC; 2x2 802.11ac WiFI adapter; three PCI-Express x16 slots; three PCI-Express x1 slots; on-board power, reset, MemOK!, Clear CMOS, and USB BIOS Flashback buttons; LN2 Mode jumper; Aura LED 12V power header; 2-digit Q-Code LED diagnostic display; Q-LED support; ROG SupremeFX 2015 8-Channel audio subsystem; integrated DisplayPort and HDMI video ports; and USB 3.0 and 3.1 Type-A and Type-C port support.

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Courtesy of ASUS

The Maximus VIII Formula features an impressive 10 phase digital power system in an 8+2 configuration, providing more than enough power to the CPU/GPU for whatever you choose to throw at it. The power delivery system itself consists of Texas Instruments NexFET MOSFETs, MicroFine alloy chokes, and 10k-rated Japanese-sourced black-metallic capacitors.

Continue reading our preview of the ASUS Maximus VIII Formula motherboard!

The Blender Foundation Releases Cycles 2016 Demo Reel

Subject: General Tech | September 9, 2016 - 07:00 AM |
Tagged: Blender

The Blender Foundation maintains the most popular, free, open-source 3D suite, Blender. One major component of any 3D application is the chunk that turns 3D geometry into one or more 2D images. This is often passed to third-party software, like mental ray or Pixar Renderman, but basically everyone has their own internal ones.

About five years ago, Blender released a new rendering engine, called Cycles, whose just-released 2016 demo reel is embedded above. Not being held back by history, they swung for the fences with it. It supports multiple GPUs (albeit mostly NVIDIA, even to this day, due to CUDA vs OpenCL at the time -- but AMD might be commissioning development soon) and integrates tightly with the editor. It produces great images, although it's very slow for cartoonish imagery (but Blender is working on a viewport renderer for that sort of content anyway).

Also, Blender with Cycles is what we used for our recent animation projects. Version 2.78 is currently in release candidate mode, and should be released very soon.

Sony Wins PC Crapware Lawsuit

Subject: Systems | September 9, 2016 - 04:36 AM |
Tagged: eu, crapware, sony, Lawsuit

Back in 2008, a customer purchased a laptop from Sony, but refused to accept its end-user license agreement due to its pre-installed software. The customer contacted Sony, demanding to be reimbursed for the junkware. Sony, instead, offered a refund for the PC. The customer, instead of taking the refund, sued Sony for about 3000 Euros.

According to The Register, the EU's highest court has just ruled against the customer.

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Honestly, this makes sense. The software was around when they purchased the computer, and Sony offered a refund. Yes, companies should offer crapware-free versions of their laptops, even for a slight fee. If adware-free version existed at all, then there might be an issue, but that would belong with Microsoft (or whoever owns the actual platform). It shouldn't be a burden for the individual system builders, unless collusion was involved.

It's also funny to think that, since the laptop was purchased in 2008, we are probably talking about a Vista-era device. Interesting to think about the difference in speed between the legal system and the tech industry.

Source: The Register

NVIDIA Releases 370.28 Drivers for Linux

Subject: Graphics Cards | September 9, 2016 - 03:59 AM |
Tagged: nvidia, graphics drivers, linux

Unfortunately, I don't tend to notice when Linux drivers get released; it's something I want to report more frequently on. Luckily, this time, I heard about NVIDIA's 370.28 graphics drivers while they were still fresh. This one opens up overclocking (and underclocking) for GeForce 10-series GPUs, although NVIDIA (of course) mentions that this is “at the user's own risk”. It also fixes a bunch of Vulkan bugs.

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Many of these fixes were in the previous, but beta-class drivers, 370.23. It, like 370.28, also includes experimental support for PRIME Synchronization. PRIME handles choosing which GPU drives a given display, which may be different from the GPU that is rendering that image. I'm not too familiar with the system, and I've heard some jokes from the Linux community over the last couple of years about its almost vaporware-like status, but I don't have any personal experience with it.

370.28 is available for 32-bit and 64-bit versions of Linux on their website.

Source: NVIDIA

Antec Announces GX1200 Mid Tower Case For Gamers

Subject: Cases and Cooling | September 9, 2016 - 12:26 AM |
Tagged: mid tower, E-ATX Case, antec

Antec revealed a new mid tower case aimed at gaming PCs for the European market. The GX1200 mid tower measures 510mm x 200mm x 510mm and supports motherboards up to E-ATX in size. The GX1200 is rather stylized with angled front and top panels along with a large windowed side panel and hexagonal mesh front panel grill. I/O sits on the top edge and includes two audio jacks, a power button, two USB 3.0 ports, and a button to control the LEDs (on/off and mode selection e.g. pulsing, color changing, blinking, and fading).

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Antec includes two 120mm RGB LED fans on the front intake and the case also sports an LED under-glow lighting. The case mounted LEDs and up to six fans are controlled using the “Antec Magic Box” which is the company’s fan controller. In addition to the included front intake fans, users can install a 140mm fans in the front and back and two 140mm fans on top. On the water cooling front, it is possible to install a 120mm radiator in back, 280mm radiator up top and a 360mm radiator in the front. Not bad for a mid-tower though you do give up optical drives (there are no 5.25” bays on this case).

Internally, the Antec GX1200 features a bottom mounted PSU (with removable dust filter albeit removable from the rear much to Ryan’s dismay) in its own chamber to help hide cables and isolate heat, two 3.5” bays, three 2.5” SSD mounts, seven PCI slots, and support for graphics cards up to 410mm (~16-inches) in length. There are also various locations to tie up cable bundles behind the motherboard tray as well as holes to pass wires through (though there are no rubber grommets, they are just cut outs).

I am not a huge fan of the aesthetics (I have seen worse though and I may just be getting old hah!), but it does seem like a functional case. It will be available in Europe for 84€ (approximately $95 USD) soon. There is no word on US availability yet.

Source: Antec

Google Continues Clamping Down on HTTP

Subject: General Tech | September 8, 2016 - 11:02 PM |
Tagged: google, chrome, http, https

Many software vendors want to impose security and encryption basically everywhere. Google and Mozilla are two of the more vocal organizations about it, and they have been slowly implementing ways to discourage insecure HTTP (in favor of HTTPS). Some of these make sense, like preventing insecure sites from accessing your webcam so the video stream cannot be intercepted, while others seem a bit pushy, like lowering HTTP-based sites down in search results.

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This announcement's change is technologically benign, but is designed to make HTTP feel a bit uncomfortable. Rather than just promote HTTPS sites with a secure padlock symbol, Google Chrome 56 and later will begin to add a “not secure” label to HTTP sites. At first, Google claims that it will only mark sites that transmit sensitive data, like passwords and credit card info. They intend to expand this to all HTTP websites going forward.

Again, this has pros and cons. The main benefit of encryption is that it's much harder to view or manipulate what flies across the data stream. One major disadvantage is that the content needs to be authenticated, which is a concern for truly anonymous expressions. Google Chrome treats local, offline content as secure, but that use case could be easily forgotten, and that could have terrible rammifications, especially in areas controlled by oppressive governments that massively censor art.

Source: Google

Introduction and Features

Introduction

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SilverStone Technology Inc. continues to focus attention on providing compact power supply solutions. Earlier this year we looked at the SilverStone SX700-LPT, which packed 700 watts into an extended SFX chassis. In this review we are going to check out SilverStone’s ST85F-PT, which packs 850W into a compact ATX enclosure. While the typical 850W ATX power supply measures 180mm (7.1”) deep, the Strider Platinum Series 850W unit is housed in a 140mm chassis (5.5”). This results in a power density of 471W per liter.

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The Strider Platinum Series now includes four compact models, the ST55F-PT (550W), ST65F-PT (650W), ST75F-PT (750W) and ST85F-PT (850W), which SilverStone claims are the smallest fully modular ATX power supplies with 80 Plus Platinum efficiency. All of the Strider Platinum Series PSUs are designed to provide quiet, reliable operation. The 120mm cooling fan incorporates a Fluid Dynamic Bearing (FDB) and an intelligent fan control permits fanless operation at low power. Overall performance is optimized with tight voltage regulation and low AC ripple on the DC outputs.

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SilverStone Strider Platinum Series Key Features:
 
•    550W, 650W, 750W and 850W DC power output
•    Compact design with a depth of only 140mm for easy integration
•    High efficiency with 80 Plus Platinum certification
•    100% Modular cables
•    Intelligent semi-fanless operation
•    Quiet 120mm cooling fan with Fluid Dynamic Bearing
•    24/7 Continuous power output with 40°C operating temperature
•    Strict ±3% voltage regulation and low AC ripple
•    Dedicated single +12V rail
•    Universal AC input (90-264V) with Active PFC
•    DC Output protections: UVP, OVP, OPP, SCP, OCP, and OTP
•    Dimensions: 150mm (W) x 86mm (H) x 140mm (L)
•    5-Year warranty
•    MSRP : $159.99 USD (850W model)

Please continue reading our review of the SilverStone 750W Platinum PSU !!!

Adam Jensen gets an upgrade and so does your AMD Driver - DX12 Deus Ex

Subject: General Tech | September 8, 2016 - 04:27 PM |
Tagged: gaming, dx 12, deus ex: mankind divided, Crimson Edition 16.9.1, amd

As of today you can now try out Deus Ex: Mankind Divided with DX12 enabled if you enable beta content in the game. The fifth patch offers several bug fixes but it also allows you to try out DX12 on your system.  You can see where to head on your Steam client if you have never played with beta settings before.  Once you have enabled beta content and Steam has synced, you will see a DirectX 12 option in the game's Display Options, assuming your card supports it.

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For AMD users this should bring performance improvements as long as you first upgrade to the newly released Crimson Edition 16.9.1 driver which you can grab right here.  The release notes from Edios/Square Interactive state that 'There are no visual or gameplay differences between the two DirectX versions.' so you will not see new features in your game.  The new patch also states that it does not support multiple GPUs in DX12 so ensure you are only using a single card.

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We have not been able to test the new patch or driver as of yet, however Guru of 3D did post some quick results in an update to their review of the game.  AMD's RX 480, R9 390X and Fury X all see some improvements in 1080p and 1440p but at 4k the card's performance is already topped out.  NVIDIA's cards all showed a slight drop at lower resolutions and like AMD, 4k performance is unchanged.  The new DX12 patch is not enough to unseat the TITAN X and GTX 1080 as the top performers though.

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If you have any issues when playing the game simply disable DX12 and get back to your game.  We should see more patches in the near future as the game developers and the two GPU providers work on improving compatibility.

Source: AMD