Cooler Master Silent Pro Gold 1200W Noise

Sound Pressure Level
Load dB(A)
10% 22
20% 22
50% 24
80% 30
100% 37
110% 45

"Silent" Pro? That may be the most unsuitable name for a PSU like this. At high load the Cooler Master is as loud as the old PC Power and Cooling Turbo Cool 1000W. Even at low load Cooler Master is no match for the other PSUs in this roundup. 30 dBA at 80% load is far too much for a "silent" PSU; they really need a new brand name for their higher wattage PSUs. It's no secret that such power supplies need more cooling than smaller units, and no one expects silence from a 1200W PSU.

Efficiency and PFC

230VAC, 50Hz
Load Efficiency PFC
10% 83% 0.840
20% 90% 0.877
50% 91% 0.930
80% 91% 0.952
100% 89% 0.958
110% 89% 0.962

 

115VAC, 60Hz
Load Efficiency PFC
10% 82% 0.941
20% 88% 0.949
50% 90% 0.976
80% 88% 0.983
100% 87% 0.985
110% 86% 0.986

While the other results are somewhat disappointing, Cooler Master shows a high efficieny at 230VAC. Starting from 20% the efficiency is above 89%. As usual, 115VAC is slightly lower, particularly from 80% to 110% load. The results at 10% are also decent, coming in above 80% in both our tests.

To answer our question from the last page, then, the Silent Pro Gold 1200W does end up with better results than the Cougar GX, at least in the efficiency department. Let's see how our final PSU compares before coming to a conclusion.

Cooler Master Silent Pro Gold 1200W Regulation and Ripple Antec HCP-1200 (High Current Pro 1200W) Overview
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  • mattgmann - Thursday, December 09, 2010 - link

    nice roundup though the outcome was predictable. I would have like to see some other heavy hitters other than antec included, i.e. mainly corsair, but also enermax, pc p&c, and maybe silverstone.

    I've been using mostly antec psus in my builds for a while. I like their low end series supplies, and the earthwatts series. I am running the SG850 in my personal rig. For my next personal workstation I plan to go bigger (dual socket). The antec hcp 1200 performs great by all accounts, but I have to say I would prefer a fully modular supply on a high end unit. The only thing I disliked about my SG850 was the cabling; it was also a pain to re-sleeve.
    Reply
  • Antec_Jessie - Thursday, December 09, 2010 - link

    Am I to understand that you want the fully modular cables for ease of sleeving?

    Thanks for the feedback!
    Reply
  • mattgmann - Thursday, December 09, 2010 - link

    It would be nice to have a psu I didn't feel like re-sleeving. The sleeving on my sg850 was pretty atrocious. The hcp 1200 is a bit better.

    I'd also like fully modular because it's easier for me to make custom length cables, and not have to deal with hiding extraneous hard wire cables. My sg850 has both 4 pin and 8 pin 12v eps cables. Who needs a 4 pin eps cable on a high end power supply? At least make it a single 4pinx2 connector.

    The other advantage to fully modular cabling could be in balancing load across the rails as I need or want.

    I'd be happy paying a premium for an hcp1200 with fully modular connectors.
    Reply
  • sirmixmasta - Thursday, December 09, 2010 - link

    The other comments are right, seems like a bunch of bigger names often synonymous with quality are missing from this review. You guys only review what the manufacturers send over for free now or what? I don't think I would buy any of these... Reply
  • racerx_is_alive - Thursday, December 09, 2010 - link

    Thought it was kind of interesting that while the article mentioned the AeroCool's amazing carbon fiber exterior more than once, there were no pictures of that exterior in the whole article. Maybe that was to dissuade us from buying a terrible power supply based on looks? :)

    Also, in the Cooler Master review, it says that the fan has 7 blades, when in the picture it has 11 or something like that.
    Reply
  • CTMorseJr - Thursday, December 09, 2010 - link

    I took the plunge and bought 3x 27.5" 1920 * 1200 monitors for use in an NVIDIA 2D Surround View setup and it's rejuvenated my love for gaming. I have 2x GTX 470s in SLI and need to add a third to be able to play all the games I want to in full triple monitor 6180 x 1200 resolution (bezel adjusted).

    I need to upgrade my PC Power & Cooling 750W PS to accommodate the extra power for the third card and this review couldn’t have come at a better time for me.

    I’m not a trust fund baby, just a lowly network administrator at an upstate NY community college who decided to invest a few extra $$hundred (okay, maybe a couple “few extra $$hundred) and try the world of Surround View gaming. I can’t recommend it highly enough if you’re a PC gamer.
    Reply
  • cactusdog - Friday, December 10, 2010 - link

    Did Antec pay for this review? Seems odd to include only bad PSUs for comparison. I.m guessing Antec chose the PSUs to test. Reply
  • Martin Kaffei - Friday, December 10, 2010 - link

    Not true.

    In a payed review you would see a Gold Award. ;)

    I'm sure there are more good PSUs and there will be more roundups in future. Maybe there is a PSU, which is better than Antec. Who knows. But I have to say, Delta is actually a very good manufacturer. So it is more the work of Delta I like, not the ideas from Antec. The cable management needs some improvements.
    Reply
  • squidyj - Friday, December 10, 2010 - link

    Kind of a dark horse pick I guess but I'd really just like to see some more 'ink' on Powercolor's 1000w design because well, I haven't heard a bad thing about it yet, and the price is right. Reply
  • ypsylon - Friday, December 10, 2010 - link

    Any PSU review without obvious king of the market (Corsair) is completely pointless.

    Who, in the right frame of mind, will buy AeroCool, Cooler Master or OCZ when Corsair cost is exactly the same or much less (at least where I live), Corsair offers superior performance in every price range when compared to any competitor, absolutely astonishing customer care and equally superior quality. It is complete no-brainer!

    In all honestly I would buy Tagan, Thermaltake or Enermax (even if I had some issues with them) over AC, CM or OCZ every single time.
    Reply

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