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CoolerMaster Silent Pro Gold 1200W or Enermax Maxrevo 1350W?

post #1 of 8
Thread Starter 
Hello everyone, I need help deciding what to get. I just purchased the coolermaster 1200w psu for my rig in my signature from newegg at 180 AR as an upgrade from my 750W PC Power. With the dual 6970 setup I have 1100 W seems just right with 30% capacitor aging. However should I decide to add another 6970 and do 3 way crossfire, I will be at 1350W according to the PSU calculator at coolermaster. Plan on a 4.8 ghz overclock with the 3930k. The enermax maxrevo seems to be better suited for future growth, and I have seen it come on sale for around the 210 mark.

What should I do, keep the 1200W or return it and get the 1350W?
post #2 of 8
Wow, that is a terrible calculator, dual 6970's call for at most a 750 watt PSU. Capacitor aging is of no concern with quality power supplies until they become at least, say, a decade old. A 1200 watt PSU is needed for quad SLI GTX 480's under heavy overclocking, not for just two 6970's. A third 6970 would call for an 850-950 watt PSU.
post #3 of 8
Quote:
Originally Posted by bR0ken_pr0Jector View Post

Wow, that is a terrible calculator, dual 6970's call for at most a 750 watt PSU. Capacitor aging is of no concern with quality power supplies until they become at least, say, a decade old. A 1200 watt PSU is needed for quad SLI GTX 480's under heavy overclocking, not for just two 6970's. A third 6970 would call for an 850-950 watt PSU.

i agree. your current PSU is a good choice, id just stick with that unless for some reason it causes you problems. i had a cm PSU in my last build and it was awesome for the 5 years i used it.
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post #4 of 8
You are fine with your current setup. That system would run fine on 850w.
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post #5 of 8
Yeah the 1200W is more then enough,

I'm running 2 pumps, 2 8ch fan control, 2600k and 6990 + 6970 from a 1000W unit, and my HDD's and dvd drive from a 620W unit.
all toghether out the of the wall it pulls 1050W~ running prime95 and heaven2.5.
edit : My overclocks are 2600k@ 4.7ghz 1.4v and the 3 gpu's at 1.3v
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post #6 of 8
Thread Starter 
Thanks. The SB-Es are power hungry compared to the 2500/2600s, but I'm currently managing with my 750W, I'll hang on to the 1200.
post #7 of 8
Yeah thats true, but its only a 95W to 135W difference, inlude an overclock and you will have some more, but not 150W + over the 1200 your already using. just my 2ct.
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Intel Core i7 2600k, 5Ghz Asus P8P67 WS Revolution XFX HD 6970 @ 1000/1475 XFX HD 6970 @ 1000/1475 
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Corsair Vengance 8GB DDR3 Crucial M4 256gb OCz Vertex 3 120gb 8TB 
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CPUMotherboardGraphicsRAM
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WD 500gb Drive (os) Scythe Mugen 2 Rev.B Windows 7 Phillips 32" tv 
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Frozen Acid
(22 items)
 
Downclocked
(16 items)
 
 
CPUMotherboardGraphicsGraphics
Intel Core i7 2600k, 5Ghz Asus P8P67 WS Revolution XFX HD 6970 @ 1000/1475 XFX HD 6970 @ 1000/1475 
RAMHard DriveHard DriveHard Drive
Corsair Vengance 8GB DDR3 Crucial M4 256gb OCz Vertex 3 120gb 8TB 
CoolingCoolingCoolingCooling
Ek Suppreme HF Full Nickel EK FC6970v2 EK FC6970v1 XSPC RX360 (x4) 
OSMonitorKeyboardPower
Microsoft Windows 7 Ultimate Dell U2312HM Filco Majestouch 2 Ninja MX red Silverstone Striver 1500W 
CaseMouseAudioAudio
Case Labs M8 + Pedestal Steelseries Sensei Asus Xonar Essence STX Audio Technica ATH-A900 
CPUMotherboardGraphicsRAM
Intel Q9450 Gigabyte GA-EX38-DS4 Ati Radeon X1650 Pro 3x 2G DDR2 
Hard DriveCoolingOSMonitor
WD 500gb Drive (os) Scythe Mugen 2 Rev.B Windows 7 Phillips 32" tv 
KeyboardPowerCaseMouse
G15 V1 mod. Corsair CX500 Corsair 600T Logitech Performance MX 
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post #8 of 8
lolwut.


2 580's will run with a good 850W PSU, and believe me they love their power.


Stick with your current PSU, they report artificial power draws, extracted from artificial benchmarks such as furmark. Even then is that power draw exaggerated.
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