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

Page 5 -

Performance (40% of the final score) - the Coolermaster GX-750 underwhelmed in just about every way possible. Regulation was only so-so, efficiency was remarkably lower than the 80 Plus test report would have us believe, and the 3.3V rail had more ripple than the last time I did a cannonball into a pool when I was still a three hundred plus pounder. To boot, the unit wouldn't even come close to full power at forty degrees before the overtemp protection came in and shut down the party. I dearly hope that Coolermaster's shipping retail units are better performing than my sample was, but since I couldn't get my hands on one of them I'll have to score this one as I see it. I have to do a 6 here I think.

Functionality (20% of the final score) - it is interesting that the one chain of Molex connectors also has a single SATA connector on it as well. I can see situations where you might want that sort of flexibility if you're upgrading an old system that still uses a bunch of older hard drives and you want to stick that one new SATA model in there without having to break out the actual SATA cable chains this unit has going on. It would suck if you only had to use one SATA connector and ended up having to hide the three others on each of those chains. So, that's a little bit of a nice feature. Also nice is the cable sleeving that goes right into the case. I do think this unit could benefit from being modular, but I can't fault it for not being modular. Still, I do find that one Molex chain to be a little bit on the long side, so a point will come off for that. 9.

Value (30% of the final score) - one advantage of waiting on a retail unit that's never arrived is that this model has had plenty of time to get into the marketplace. Provantage is selling this model for $89.75 as I type this. That's actually not too bad a price, but when you consider the performance of this unit and that the XFX 650W unit from the same vendor is a few bucks cheaper, I would have to say you're better off either going for that XFX and giving up the last 100 watts this unit can't easily put out anyway or spend a few bucks more to get a good 750W unit. 6.

Aesthetics (10% of the final score) - looks good to me. 9.

Performance

6

Functionality

9

Value

6

Aesthetics

9

Total Score

7

Summary

Coolermaster has a decent 600 watt unit here. The unit does pretty well for stability and efficiency, doesn't get very loud, and... what? It's a 750 watt unit?

Facepalm.

Past Coolermaster units have done pretty well here in the lab, and I'm puzzled that this one has done so poorly. I hope that next time, if there is a next time, we'll have something worth getting excited about.

The Good:

  • appearance
  • enough cabling to handle anything a 750W unit can power
  • somewhat shallow depth

The Bad:

  • cannot handle heat at 750 watts
  • ripple issues on the 3.3V rail
  • questionable capacitor quality

The Mediocre:

  • voltage regulation

 

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