550W of fanless power from Enermax

Subject: Cases and Cooling | April 27, 2015 - 02:49 PM |
Tagged: Fanless PSU, enermax, Digifanless, 550W, modular psu, 80 Plus Platinum

The Enermax Digifanless 550W PSU is completely modular and as the name implies there is no fan to be found in this PSU.  Instead large heatsinks take up most of the room inside the casing, with a mix of Nippon Chemi-con, Enesol and DuraTech capacitors with the PFC and power components hidden under those heatsinks.  [H]ard|OCP's testing proved that the 80 PLUS Platinum rating that Enermax claims for this PSU is well deserved with efficiency over 90% in testing.  [H] was more than impressed with the overall build quality and performance of this heatsink, however the MSRP is significantly higher than the competitions which was why this PSU was left holding Silver.  It is not for sale yet here in North America so there is still a chance that a price reduction could make this PSU very attractive for those looking for a silent PC build.

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"Enermax joins the ranks of the fanless computer power supply builders. These are of course a must-have for those enthusiasts looking for a zero noise profile computer build. Many times these sorts of builds of course suffer from very hot environments, so fanless PSUs are a perfect fit for our testing criteria."

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Source: [H]ard|OCP

Seasonic Snow Silent; if you prefer your PSU meek and pale

Subject: Cases and Cooling | March 23, 2015 - 02:30 PM |
Tagged: seasonic, snow series, modular psu, 1050W, 80 Plus Platinum

The ability to deliver stable power is the primary attribute we look for in a PSU but the aesthetics should not be ignored, especially for modders and those with glass cases.  The Seasonic Snow Silent Series 1050W PSU is aptly named for its white finish which gives it a unique look in a very crowed market but the exterior does not tell the whole story.  With a total of eight 6+2 PCIe plugs and a 12V rail capable of providing 1044W @ 87 amps this PSU will certainly handle Crossfire or SLI and it will do so fairly quietly.  TechPowerUp liked the 7 year warranty as well as the performance and look of this PSU, especially considering it is priced roughly the same as the bog standard grey model which does not have the improved fan of this model.

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"Seasonic released a special version of their Platinum offering with 1050 W capacity; it comes with a while paint job and is equipped with an FDB fan and a relaxed fan profile for less noise output, which will thrill users looking for a quiet high-performance PSU."

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Source: techPowerUp

Cougar CMD Digital Power Supplies Come With Integrated Fan Controller

Subject: Cases and Cooling | March 12, 2015 - 04:52 PM |
Tagged: power supply, modular psu, Cougar, 80+ bronze

Cougar is launching its new CMD Digital power supplies in 500W and 600W versions. In a move to differentiate itself from the crowd, Cougar has packed in an integrated fan controller and the ability to monitor and control the PSU (e.g. voltage) using software.

The new power supplies are modular excluding the main 24-pin ATX and CPU cables. Both models use a single 12V rail rated at 40A on the 500W model and 49A on the 600W PSU. Cougar uses a temperature controlled 140mm fan to keep the PSU cool. The CMD Digital is 80+ Bronze certified and features various over and under current and voltage protections (OCP, SCP, OVP, UVP, and OPP).

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The following power cables and connectors are included:

  • 1 x 24-pin ATX
  • 3 x 4-pin Peripheral (Molex)
  • 5 x SATA (6 on the 600W model)
  • 2 x 8-pin PCI-E (6+2)
  • 1 x 8-pin CPU (4+4)
  • 2 x 3-pin Fan headers
  • 1 x TSR temp sensor port

In all, it’s a fairly standard layout with enough amperage and PCI-E power connectors to support a high end GPU setup.

The integrated fan controller drives up to two case fans (more if you use a splitters, I suppose) that are connected to the back of the power supply. Further, Cougar provides a temperature sensor that you can place anywhere inside your case to monitor case temperature. 

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Using the company’s Cougar UIX software, users can monitor and control fan speeds, monitor system component utilization (CPU, HDD, etc), monitor power consumption, adjust voltage levels, and log various power delivery stats.

Cougar has not yet released pricing, but it will be available in April.

From the features, it sounds like a decent power supply though my opinion would heavily be influenced by the included software. Despite ample computing resources, I like to run a lean system with as little running in the background as possible. If Cougar UIX sips resources and it holds up to the advertised power delivery ratings, I would consider it.

Hopefully we can get one in for review soon and Lee can put it through its paces.

Source: Cougar

You are going to need 240V for this one; Superflower's 2000W PSU

Subject: General Tech | February 19, 2015 - 06:21 PM |
Tagged: kilowatt, modular psu, superflower, Leadex Platinum, 80 Plus Platinum, 8 pack edition, two freaking kilowatts

The perfectly reasonable 2 kilowatt Superflower is only able to provide a paltry 166.6 amps on its single +12v rail so you will need to be absolutely positive that your rig will not need a more powerful source of power.  Available only in the UK, it is possible that Superflower is not exaggerating when the claim it will accept 100V~240V, perhaps a budding North American electrician could set up a test to see if this 80 PLUS Platinum rated PSU can actually be powered by any mere wall wart.  No ones seems to mention the weight of this PSU but it does measure 150 x 86 x 220 mm which is a pity as this PSU would be perfect for an mATX build.  You can catch a video of this PSU in action on the last page of the review, powering a PC not an arc welder.

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"‘Holy Moly’. This is the PG version of the first words I said when we were offered the new 2000 watt Superflower power supply for analysis. Renowned and highly respected UK overclocker Ian ’8Pack’ Parry partnered up with SuperFlower for the creation of this new monster unit. The ’8 Pack Edition’ is a fully modular design, 80 Plus Platinum certified and ships with enough cables to choke Godzilla."

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Source: KitGuru

Can the EVGA SuperNOVA 1300 G2 break the trend?

Subject: Cases and Cooling | January 9, 2015 - 03:26 PM |
Tagged: evga, supernova 1300, 80 Plus Gold, modular psu, kilowatt

[H]ard|OCP has not been impressed with EVGA's PSUs; they are not bad but do not tend to match the quality and pricing of the competition.  The new EVGA Supernova 1300 G2 is available for $180 and could buck this trend, it has a 10 year warranty, an 80 Plus Gold efficiency rating and it looks good on paper.  With the ability to provide a hair over 108 amps to its 12V line, eight 6 pin PCIe power connectors of which two can have the extra pair of plugs for 8 pin and solid performance it seems that EVGA has indeed produced a great power supply. [H]ard|OCP does not often award the Gold to PSUs but in this case thanks to the excellent build and power quality along with a very competitive price EVGA has produced a very good product for those who need serious power for their PC.

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"EVGA has a bit of a rocky road with HardOCP when it comes to PSU reviews. Today we give EVGA the opportunity to redeem itself with its 1300 watt powerhouse touting "exceptional efficiency" and a fully modular design that is "silent and optimized for the enthusiast." All this with a 10 year warranty? It must be a badass."

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Source: [H]ard|OCP

CES 2015: Corsair HX1200i Power Supply Announced - Fully Modular 1200W Platinum PSU

Subject: Cases and Cooling | January 6, 2015 - 12:00 PM |
Tagged: PSU, power supply, modular psu, corsair, ces 2015, CES, 80 Plus Platinum, 1200w

Today Corsair is announcing a new member of HX series of power supplies, the HX1200i.

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Providing 1200W of 80 PLUS Platinum certified power, Corsair says the HX1200i will be able to drive up to quad-GPU setups with 92% or better efficiency.  The fully modular design uses flat ribbon cables for clean cable routing, and Corsair has made use of "specially selected low-noise components" which include 100% Japanese capacitors rated to 105° C. For low noise the Zero-RPM fan mode only spins the PSU fan when needed, and the PSU is rated for continuous power at a full 50° C.

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The HX1200i will carry a 7-year warranty, and also includes Corsair Link integration which allows users to customize the fan speed and offers "real-time monitoring of the PSU’s voltages, efficiency and temperatures".


Specifications:

  • 1200 watts
  • 80 PLUS Platinum efficiency
  • Fully modular DC cable set
  • 100% Japanese electrolytic capacitors rated at 105°c
  • Zero-RPM fan mode for virtually silent operation at low and medium loads
  • Corsair Link support for monitoring efficiency, voltages, power output, temperature, and fan speed plus user customizable setting of rail modes and fan speed.
  • Fluid dynamic bearing fan
  • Continuous power rated at 50° Celsius
  • 7 year warranty
  • MSRP $269.99

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The HX1200i will retail at $269.99 and will be available next month, with a February 2015 release scheduled.

Coverage of CES 2015 is brought to you by Logitech!

PC Perspective's CES 2015 coverage is sponsored by Logitech.

Follow all of our coverage of the show at http://pcper.com/ces!

Source: Corsair

When you absolutely postively have to have 1500W but little space to put it

Subject: Cases and Cooling | December 3, 2014 - 06:01 PM |
Tagged: Strider Gold 1500W, Silverstone, modular psu, kilowatt, 80 Plus Gold

At 1500W peak power, 120A max on the 12V rails, the SilverStone Strider Gold 1500W will power any system you throw it in.  There are other PSUs with that level of power but none measuring just a hair bigger than the 120mm cooling fan, a hair over 7" in length.  In [H]ard|OCP's testing they found it to have a bit more variance in the voltages than they prefer but well within spec and at as good if not better than any of the other 1500W PSUs that they have reviewed.  If you truly do need the power and can afford the asking price then you should check out the full review.

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"SilverStone is a well known name among computer hardware enthusiasts. It has a good record of building solid PSUs, some of those good, some of those great. Today it comes to us with 1500 watts of power in an extremely small footprint, sporting 100% fully modular cables, and claiming extremely good efficiency."

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Source: [H]ard|OCP

When a kilowatt won't do, Thermaltake's Toughpower 1200W Gold

Subject: Cases and Cooling | November 17, 2014 - 03:12 PM |
Tagged: thermaltake, ToughPower 1200W Gold, kilowatt, modular psu

The Thermaltake Toughpower 1200W Gold is an almost fully modular PSU built by Enhance which runs about $200 though [H]ard|OCP has linked to a rather nice deal on the PSU at NewEgg right now.  The PSU is for high end builds, the eight PCIe 6+2 connectors are backed by a single 12V rail capable of providing 100A, in other words every bit of power the PSU can offer.  The overall impression that [H] had of this PSU once the testing was completed was that it was good, but not amazing.  It did not fall short on performance but at the same time did not stand out in the crowd, if you can get this PSU on special it is certainly worth adding to your short list especially if you are sensitive to noise.  It is not the most quiet kilowatt class PSU they have tested but the 135mm fan keeps the decibels reasonable.

For a completely different high end PSU, make sure to check out Lee's review of the fully modular High Power Astro GD 1200W.

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"Thermaltake has traditionally shined when it comes to computer power supplies in excess of 1000 watts. But in the past these power supplies have often been very costly. Today we cover Thermaltake's new 1200 watt power supply that is currently selling for $139 after $30 MIR. Is it worth your hard earned dollars?"

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Source: [H]ard|OCP

Fractal Design's Integra M series, coming soon

Subject: Cases and Cooling | November 4, 2014 - 03:27 PM |
Tagged: PSU, modular psu, fractal design, Integra M, 650W

Fractal Design is releasing a new series of PSUs, the Integra M series, to compliment the already available Integra R2 series.  They have kept to the slightly smaller sizing of 150mm x 86 mm x 140 mm with a 120mm fan that Kitguru found to operate quietly, only hitting 37.2dBA at full load with temperatures not exceeding 60C.  The efficiency ranged between 81-85% and ripple stayed within specification, it was perhaps not as solid as some units but decent for the price point of this PSU.  With 648W at 54A it is capable of handling multiple mid-range GPUs and has the PCIe plugs to handle the cards, though the cabling choice is a little odd.  Two of the 6+2 PCIe connectors are modular but there are two more connectors which are hard wired into the PSU along with the ATX power.  For those hoping to build a system on a budget with an eye for possible upgrades you should read the full Kitguru review and keep your eye out for the release of the Integra M series.

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"Today we take a look at the latest power supply from Fractal Design, the Integra M 650W – released to target the budget enthusiast audience. This semi modular design has achieved 80 Plus Bronze Certification and will hit retail for around £55 inc vat. Is it worth shortlisting if you are working with a restrictive budget?"

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Source: KitGuru

Corsair's HX1000i is good, but not quite great

Subject: Cases and Cooling | October 21, 2014 - 02:26 PM |
Tagged: modular psu, HX1000i, Corsair Link, corsair, 80 Plus Platinum

Corsair have updated their high end and high powered PSU line with the HX1000i, developed once again with CWT and sporting an 80 PLUS Platinum rating and Corsair Link integration.  The documentation is a little confusing, referring to a single 12v rail rated at 83.3A or 1000W but also mentioning it can be toggled to multiple 12V rails, not to mention the small rounding error in their math.  The actual PSU is very well constructed and passed all of the tests that [H]ard|OCP's torture chamber required of it; just not to the same level that the older HX1000 unit managed.  That is a little disappointing as you would hope that the quality would improve over time but it is in line with the competition and certainly not a bad showing, merely not what [H] had hoped for.   It is still worth your consideration so make sure to read through the whole review to see if the HX1000i meets your needs.

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"Corsair's HX series represents its "second tier" line of enthusiast computer power supplies, but its new HX1000i does take the top spot when it comes to its ~1000 watt power supplies that are Platinum certified and fully modular. Let's see if this latest addition from Corsair represents its quality pedigree of days gone by. "

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Source: [H]ard|OCP