Author:
Manufacturer: be quiet!

Introduction and Features

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As you might expect, be quiet! is focused on virtually silent power supplies and they continue to be one of the top selling brands in Europe. The Dark Power Pro 11 Series occupies the top tier in be quiets!’s PC power supply lineup. All of the Dark Power Pro 11 models are certified for high efficiency (80 Plus Platinum) and come with modular cables.  In this review we will be taking a detailed look at the be quiet! Dark Power Pro 11 1,000W power supply with Cable Management. There are six power supplies in the Dark Power Pro 11 CM Series, which include 550W, 650W, 750W, 850W, 1000W and 1200W models.

be quiet! designed the Dark Power Pro 11 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 Dark Power Pro 11 Series, be quiet! offers a full range of power supplies in ATX, SFX, and TFX form factors.

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(Courtesy of be quiet!)

All of the Dark Power Pro 11 Cable Management Series power supplies are semi-modular (all cables are modular except for the fixed 24-pin ATX cable). Along with 80 Plus Platinum certified high efficiency and quiet operation, the Dark Power Pro 11 1,000W modular power supply features an overclocking key to select between multi-rail and single rail +12V outputs. The power supply uses be quiet!’s latest SilentWings3 135mm fan for virtually silent operation. The fan speed starts out very slow and remains slow and quiet through mid power levels. And the Dark Power Pro 11 power supplies allow connecting up to four case fans, whose speed will be controlled by the PSU.

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be quiet! Dark Power Pro 11 1,000W CM PSU Key Features:

•    1,000W continuous DC output (ATX12V v2.4, EPS 2.92 compliant)
•    Virtually inaudible SilentWings3 135mm cooling fan
•    80 PLUS Platinum certified efficiency (up to 94%)
•    Premium 105°C rated parts enhance stability and reliability
•    Powerful GPU support with nine 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 Dark Power Pro 11 1,000W CM PSU: $239.00 USD

Please continue reading our review of the Dark Power Pro 11 1,000W CM PSU!

Author:
Manufacturer: SilverStone

Introduction and Features

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SilverStone recently introduced a new line of Platinum certified PC power supplies, which they claim are the world’s smallest 80 Plus Platinum, full-modular ATX power supplies. The new Strider Platinum Series currently includes three models, the ST55F-PT (550W), ST65F-PT (650W) and ST75F-PT (750W). All of the Strider Platinum Series PSUs are designed to provide quiet, reliable operation in a small package. The cooling fan incorporates Fluid Dynamic Bearings (FDB) for quiet-reliable operation and an intelligent fan control permits fanless operation at low power. While the typical 750W power supply enclosure measures 160mm (6.3”) deep, the Strider Platinum Series are housed in a 140mm chassis (5.5”).

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(Courtesy of SilverStone)

The main focus of this review will be on the 750W ST75F-PT model, but the good folks at SilverStone also sent along one of the 550W (ST55F-PT) models so we will include test results for both units for comparison. It’s always nice to receive two different units in the same series to help confirm operation and performance parameters.

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SilverStone Strider Platinum Series Key Features:
 
•    550W, 650W, and 750W 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 & noise
•    Dedicated single +12V rail
•    Conforms to ATX12V and EPS standards
•    Universal AC input (90-264V) with Active PFC
•    Dimensions: 150mm (W) x 86mm (H) x 140mm (L)

 

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Here is what SilverStone has to say about the new Strider Platinum Series PSUs:  "As desktop computers continue to advance toward ever more efficient and smaller designs, SilverStone is helping to drive the efficiency movement by releasing the Strider Platinum Series of power supplies. Created to be the smallest fully modular ATX power supplies with 80 Plus Platinum efficiency, they are also incredibly quiet with the ability to run in fanless mode. If the loading condition is below 20%, the fan in the power supply can remain off for silent operation during idle or low powered computing activities. Other great features inherited from previous Strider series includes ±3% regulation, powerful single +12V rail, 24/7 continuous power output, and multiple PCI-E cables. For those looking to build highly efficient systems in small footprints, the Strider Platinum is definitely the best choice.

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

Wattage per litre? That is a new one SilverStone

Subject: Cases and Cooling | December 1, 2015 - 11:27 PM |
Tagged: Silverstone, modular psu, 80 Plus Platinum, Strider Platinum ST55F-PT, 550W

As the title implies, the Silverstone Strider Platinum ST55F-PT is smaller than you might expect a 550W PSU to be, at just under 6" square.  That this PSU is designed for computers of a small size is reinforced by the fact that there is only a pair of PCIe 6+2 plugs, not a problem for small systems but worth noting if you were planning on adding a second GPU.  [H]ard|OCP's testing shows that the PSU easily meets the 80 Plus Platinum standard and not only was the power delivered impressively stable but the PSU also operated quietly.  It will cost you a small premium but if you need a solid, quiet and small PSU this review is worth checking out.

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"SilverStone comes to us today with a Platinum rated PSU that is also billed as having a "Power Density (of) 305W per liter." While this is a bit odd, the messaging seems to be big power in a little footprint. Let's see how this "ultra silent" fully modular PSU stacks up when it comes to serving up big-time power under big-time pressure."

Here are some more Cases & Cooling reviews from around the web:

CASES & COOLING

Source: [H]ard|OCP
Author:
Manufacturer: EVGA

Introduction and Features

Introduction

EVGA recently introduced three new Platinum certified power supplies in their popular SuperNOVA line, the 650P2, 750P2 and 850P2. All three power supplies are 80 Plus Platinum certified for high efficiency and feature all modular cables, high-quality Japanese brand capacitors, and a quiet 140mm cooling fan (with the ability to operate in silent, fan-less mode at low to mid power levels). And in addition to delivering excellent performance with quiet operation, these new power supplies are backed by a 10-year warranty!

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EVGA was founded in 1999 with headquarters in Brea, California. They continue to specialize in producing NVIDIA based graphics adapters and Intel based motherboards and keep expanding their PC power supply product line, which currently includes thirty-four models ranging from the high-end 1,600W SuperNOVA T2 to the budget minded EVGA 400W power supply.

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In this review we will be taking a detailed look at both the EVGA SuperNOVA 650P2 and 750P2 power supplies. It’s nice when we receive two slightly different units in the same product series to look for consistency during testing.

Here is what EVGA has to say about the new SuperNOVA P2 Platinum PSUs: “The unbeatable performance of the EVGA SuperNOVA P2 power supply line is now available in 850, 750 and 650 watt versions. Based on the award winning P2 power supplies, these units feature 80 Plus Platinum rated efficiency, and clean, continuous power to every component. The ECO Control Fan system offers fan modes to provide absolutely zero fan noise during low to medium load operations. Backed by an award winning 10 year warranty, and 100% Japanese capacitor design, the EVGA SuperNOVA 850, 750 and 650 P2 power supplies offer unbeatable performance and value."

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EVGA SuperNOVA 650W P2 and 750W P2 PSU Key Features:

•    Fully modular cables to reduce clutter and improve airflow
•    80 PLUS Platinum certified, with up to 92% efficiency
•    LLC Resonant circuit design for high efficiency
•    Tight voltage regulation, stable power with low AC ripple and noise
•    Highest quality Japanese brand capacitors ensure long-term reliability
•    Quiet 140mm Double ball bearing fan for reliability and quiet operation
•    ECO Intelligent Thermal Control allows silent, fan-less operation at low power
•    NVIDIA SLI & AMD Crossfire Ready
•    Compliance with ErP Lot 6 2013 Requirement
•    Active Power Factor correction (0.99) with Universal AC input
•    Complete Protections: OVP, UVP, OPP, OCP and SCP
•    10-Year warranty and EVGA Customer Support

Please continue reading our review of the EVGA SuperNOVA 650/750 P2 PSUs!!!

Seasonic's Snow 750W takes the prize again

Subject: Cases and Cooling | July 10, 2015 - 08:42 PM |
Tagged: Snow Silent-750, seasonic, 80 Plus Platinum

If you had any doubts about the quality of the Seasonic Snow 750W PSU after reading our review then perhaps [H]ard|OCP will convince you and maybe even win one.  You will notice the same colour award offered and a rather subtle recommendation at the end of the article.  Seasonic has really become what PC Power & Cooling was back in the day, priced at a premium but absolutely worth it.  If you are looking for a PSU in the 750W range then this model should be at the top of your wishlist.

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"Seasonic is without a doubt the "best" computer PSU designer and builder in North America in our opinion. It has continually made award winning enthusiast class PSUs which is simply not easy in today's market. Six of its last eleven units reviewed here have "only" produced HardOCP Silver awards though. Do we have a new Gold [H] today?"

Here are some more Cases & Cooling reviews from around the web:

CASES & COOLING

Source: [H]ard|OCP
Author:
Manufacturer: Seasonic

Introduction and Features

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It’s always a happy day at the PC Perspective Test Lab when the delivery truck drops off a new Seasonic power supply for evaluation! Seasonic is a well-known and highly respected OEM that produces some of the best PC power supplies on the market today. In addition to building power supplies for many big-name companies who re-brand the units with their own name, Seasonic also sells a full line of power supplies under the Seasonic name. Their new Snow Silent Series now includes two models, the original 1050W and the new 750W version we have up for review.

The Snow Silent Series power supplies feature a stylish white exterior along with top level Seasonic build quality. The Snow Silent-750 is a next generation XP-Series (XP2S) power supply that comes with fully modular cables and a 120mm cooling fan with Fluid Dynamic Bearings. It features an upgraded S3FC Hybrid Fan Control Circuit that provides fanless operation up to ~50% load. The Snow Silent-750 is designed to provide high efficiency (80 Plus Platinum certified) and tight voltage regulation with minimal AC ripple.

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Seasonic Snow Silent 750W PSU Key Features:

•    High efficiency, 80 Plus Platinum certified
•    Fully Modular Cable design with flat ribbon-style cables
•    Seasonic Patented DC Connector Panel with integrated VRMs
•    Upgraded Hybrid Silent Fan Control (S3FC: Fanless, Silent and Cooling)
•    120mm Fan with Fluid Dynamic Bearings (FDB)
•    Ultra-tight voltage regulation (+2% and -0% +12V rail)
•    Supports multi-GPU technologies (four PCI-E 6+2 p connectors)
•    High reliability 105°C Japanese made electrolytic capacitors
•    Active PFC (0.99 PF typical) with Universal AC input
•    Dual sided PCB layout with dual copper bars
•    Energy Star and ErP Lot 6 2013 compliance
•    7-Year manufacturer's warranty worldwide

Please continue reading our Seasonic Snow Silent-750 power supply review!

550W of fanless power from Enermax

Subject: Cases and Cooling | April 27, 2015 - 06:49 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."

Here are some more Cases & Cooling reviews from around the web:

CASES & COOLING

Source: [H]ard|OCP

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

Subject: Cases and Cooling | March 23, 2015 - 06:30 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."

Here are some more Cases & Cooling reviews from around the web:

CASES & COOLING

 

Source: techPowerUp

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

Subject: General Tech | February 19, 2015 - 11:21 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."

Here are some more Cases & Cooling reviews from around the web:

CASES & COOLING

Source: KitGuru

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

Subject: Cases and Cooling | January 6, 2015 - 05:00 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