Reviews - Coolermaster GX-750 750W
Sample Provided by: Cooler Master (By OklahomaWolf on Sun, May-23-2010)

Page 1 -

Hello again, fellow power supply nuts. It's a cooler day here in Saskatchewan today, so I thought I would take a look at a Coolermaster unit. Pictured above is the box for their GX-750 power supply, a 750 watt unit that features such things as a single 12V rail, 80 Plus certification, and a five year warranty. But wait, there's more. A quick glance at the 80 Plus website shows that this unit is actually certified for Bronze, while the logo in the above picture seems to imply standard certification. This is a pleasant surprise, I must say. We'll have to see during the load testing fun which certification level is actually correct.

Here's the side of the box, where we get to see a lot of fancy pictures on the connectors included with the cabling on this unit. This is not a modular unit, so I expect there to be a lot of cabling. Below these pictures are a series of graphics proclaiming once more the high efficiency, SATA connectors, the ability to be silent running, an intelligent fan controller, and full protection circuitry. Intelligent fan controller indeed... I think I'll administer an IQ test later. And what's with that final graphic? Does it manage full protection by exploding in a haze of nuclear fallout?

Here's the back of the box. Along with a big table of specifications, there is a small list of features presented on this side of the packaging:

  • Compliant with the latest Intel standard ATX12V V2.31
  • Single +12V rail for the most demanding SLI configurations
  • High efficiency meets 80 Plus requirements (85% typical)
  • Ultra silent operation with intelligent 120mm fan speed control
  • Multiple protection design (OVP/UVP/OPP/OTP/SCP)
  • High reliability (MTBF>100,000 hours)
  • Five-year warranty

This is all pretty standard marketing for power supplies these days. I do have to question the "most demanding SLI" part of it though... I mean, there are configurations that would have no problem overloading this unit.

For more information, please visit the Coolermaster website. For more information, please visit the Coolermaster website. For more information, please visit the Coolermaster website. For more information, please visit the Coolermaster website. For more information, please visit the Coolermaster website. For more information, please visit the Coolermaster website. For more information, please visit the Coolermaster website. For more information, please visit the Coolermaster website. For more information, please visit the Coolermaster website. For more infor... gah! We get it, Coolermaster! You don't want to print any extra info on this side of the box. There's no need to say so nineteen times in nineteen different languages!

Here are the contents of the box. Manual. Power cord. Power supply. Screws. Business card. That's it. The manual is little more than an installation guide with a few tables and pictures and specs thrown in. You've already seen a good part of it, so I'll be lazy and not get any more pictures of it.

The power supply itself is done up in a sleek matte black and blue combination I rather like. And thanks to the 120mm fan, it's also shallower than most big fan units that cross my path these days at 140mm deep.

Here's another angle for you, with a somewhat good look at the sleeved cables coming out of the unit. I'll have better pictures of these in a few minutes.

This is the exhaust grille, which is nicely unrestricted. Lots of space for that intelligent fan controller to blow the heat out. Say, fan controller, let's hear the smartest thing you can think of so we can see how intelligent you are. Come on, don't be shy. Folks, I guess it doesn't want to talk to us right now. That's ok, we'll just move on.

This is the view you would get through the window of most windowed cases when this unit is installed.

Here's a good look at the fan for you, and...

"The sum of the square roots of any two sides of an isosceles triangle is equal to the square root of the remaining side."

Bzzt, wrong, fan controller. That's a right triangle, and you're just quoting The Wizard of Oz. Care to try again? No? Well, let's hope when it comes to fan speed control you're a little smarter.

Here's the spec label up close for you. As you can see, the actual model number of this unit is the rather hard to remember RS-750-ACAA-E3. The label also reminds us to select the right input voltage, even though this is an active PFC model that does not require or provide a means to do so. This label must have been printed up by the intelligent fan controller who, by the way, would like me to inform you that it's rather fond of watching things go around in circles until it gets dizzy.

Coolermaster GX-750 

+3.3V +5V +12V -12V +5VSB
25A 25A 60A 0.5A 2.5A
Max Power 150W 720W 6W 12.5W
750W

Here's that better picture of the cabling I promised you. As you can see, it's sleeved right up into the case for a clean look.

Type of connector: Coolermaster GX-750
ATX connector (510mm) 20+4 pin
4+4 pin EPS12V/ATX12V connector (605mm) 1
6+2 pin PCIe (505mm) 4
SATA (470mm+100mm+100mm+100mm) 8
SATA (450mm) 1
5.25" Drive (+150mm+150mm+150mm) 3
3.5" Drive (+150mm) 1
Unit Dimensions(L x W x H)
140mm x 150mm x 86mm

Before we go on to the next page and the load testing... hey fan controller! Recite pi to the ninth decimal place for me.

"Uhh... ok. Apple, cherry, blueberry... ooh, I love blueberry! Can I have some with ice cream? Is that nine plates yet?"

Facepalm.


 

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