HardwareHell

Powering The Future
author: “Slaymate”

Introduction
Today I have the pleasure of testing out the newest member of the Cooler Master Real Power Pro series of Power Supplies. This model (RS-C50-EMBA-D2) brings the wattage up to an amazing output capacity of 1250W with a peak capacity of 1375W. This thing might be able to start my car up and power my PC. Well maybe it can’t start my car, but it will definitely power up any PC made today and it should be future proof for those of tomorrow. Let’s get this review going, I really want to touch it and hook it up.

Features
The following Features are clearly listed on the box.
- World’s first six +12V rails for better power distribution in Quad-SLI and 2 way server system.
- High-quality components expand the product life, reliability and durability.
- Six 6 pin PCI-e / three 8 pin PCI-e connectors offer future upgradability.
- Eco-design for energy and money saving by Active PFC. (>0.99) / high efficiency (>85%)
- Ultra-silent operation with intelligent 135mm fan speed control (<16dBA)
- Five Year Warranty
After a quick visit to the Cooler Master web site, http://www.coolermaster.com, I found a few more advertised features that they left off of the packaging.
- Compliance with the newest Intel standard ATX 12V V 2.3
- Compliance with the newest SSI standard EPS 12V V2.92
- Compact size design for easy installation by High Power Density (150*180*86 mm)
- Power Failure Detector will light up when Over-Voltage, Under-Voltage,
Over-Temperature, Over-Current, Over-Loading, and Short circuit occur.

Specifications
The following Specifications are clearly listed on the box.

And another quick trip to the Cooler Master website reveiled that this power supply has a new specification left off of the packaging
Certification - SLI / 80 Plus

Test Setup
- Intel Core 2 Extreme QX6700 (std. speed 2.66 GHz - overclock speed 3.0 GHz)
- EVGA 680i SLI mobo
- Corsair 2x 1GB XMS2 PC2 8500
- (2) XFX 8800 GTX
- (2) Western Digital 80GB sata @ Raid0
- (2) Maxtor 250GB sata @ Raid0
- Samsung 20x DVD Burner sata
- Sony NEC 16x DVD-ROM ide
- NEC FDD
- Cooler Master GeminII Heat Sink w/ (2) Silverstone FM121 120mm fans
- Cooler Master CM Stacker Full Tower Case
- (3) 120mm and (1) 80mm fans for case ventilation
- usb devices / Logitech MX 1000 mouse, MS Natural Keyboard, Logitech MOMO FF Steering Wheel, Kodak Camera, SansDisk 2GB Flash Drive (Ready Boost)
- Windows Vista Home Premium 32bit
- Mastech MS8229 Digital Multimeter
- Cooler Master Real Power Pro 1250W Power Supply.

Installation
This is a pretty straight forward procedure. All the components in your system need power and they all have a power connector. Just match them up. This Power Supply has all the connectors you’ll need for any present day PC and more. Notice all the PCI-e connectors, Quad-SLI (using 7950 GTX’s) or Triple-SLI with 8800GTX’s is possible.
- (1) 24 pin Motherboard connector
- (1) 4 pin +12V CPU connector
- (1) 8 pin +12V CPU connector
- (3) 8 pin PCI-e connector
- (6) 6 pin PCI-e connector
- (8) S-ATA connector
- (7) 4 pin Peripheral connector
- (2) 4 pin Floppy connector

That’s a lot of connectors, and that results in a whole bunch of cabling. A Modular Design would be handy with all of these cables, but that maybe will be a feature in a future design. As you can see all of the cables are fully sleeved all the way to the connectors. This is a nice touch that we don’t often see. The next thing to catch my attention is the hugh fan located on the top of the unit. It’s a 135mm fan with an approximate range of 800 ~ 2000 rpm and a max noise level of <16dBA.

And nowadays many consumers are just as impressed with looks as they are with the raw power. Cooler Master didn’t overlook this feature either. It has a beautiful crystal clear mirror finish in the color of Black.

The back of the unit has a mesh design for optimum ventilation, a diagonstic LED indicator (red=bad / green=good / white=no power) and a sticker covering the input power connector. The sticker is a warning for the proper power requirements, 125Vac @ 16A or 250Vac @ 10A.

And on the side we have a sticker showing us it’s outputs and safety certifications.

And while were looking lets take the cover off and look at the internals. Overall it’s pretty organized, the wires could be bundled together a little better, but it’s amazing that all of this power is contained in such a small enclosure.

The only problems I had with the installtion was with the shear size of all the cabling. I didn’t need to use all the connectors so there’s a lot of cabling to tuck out of the way. I also found that the 8 pin +12V CPU cable was just barely long enough for my setup. Considering I’m using a Cooler Master Stacker case with a Cooler Master GeminII Heat Sink and a Cooler Master Power Supply I would think that they would of made the cable longer to match up with their own products better. But it does reach so it’s time to power this PC up.

Test Results
I obtained all of these results running my system at the Default Settings and overclocked at 3.0 GHz with 1.3 Volts. All the fans in the system are set to run at 100%. For Load testing I ran (2) instances of SP2004 ORTHOS Edition http://sp2004.fre3.com/beta/beta2.htm, jkDefrag http://www.kessels.com/JkDefrag/ , and 3DMark06. All the various outputs were measured from their individual rails. As you can see, none of the voltages dropped below their ratings, and the difference between the Load and Idle readings is negligible.

Conclusions
Well, this power supply has all the power anyone could need in this day and age and beyond. It has cabling for every option presently available and cabling for options not yet available. Does anyone need all of this, well probably not at the present time. But if we look back in time to just a couple of years ago no one needed more than 500Watts. Today a 500 Watt power supply is almost a minimum recommendation, by next year that number will be much higher and 1250 Watts won’t seem to be the overkill it is today.

Summary
Pros:
- 1250 Watts of Goodness
- Six 12V Rails
- High Efficiency and Power Rating
- Connectors for every option
- Quiet Operation
- Outstanding Cable Sleeving
- Mirrored Finished

Cons:
- Bulky Cabling. Needs a Modular Design
- 8 pin +12V CPU cable could be longer
- Expensive. I don’t know the price but it will be over $300
I would like to thank Cooler Master for sending me this Power Supply to test. It’s a Top of the Line Product with negligible faults. It can easily stand Tall on it’s own Merit. I give this product a Rating of 9 out of 10!