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Would a Corsair 650W PSU handle good a SLI of MSI GTX 560 Ti HAWK?

post #1 of 11
Thread Starter 
That's the question, if I would need to buy another PSU or if I can use this one that I have even with both GPU's overclocked at 1000Mhz on core clock? And if this one can handle it (650W), would it be at the limit? Which are the risks? My config. is:

i7 2600k@4.0Ghz cooled by Thermaltake Frio
Asus P8P67 Pro
2x2GB DDR3 1600Mhz Kingston Hyper-Blu
DVD-ROM drive
Corsair 650W 80 plus bronze
SLI MSI GTX 560 Ti HAWK (Twin Frozr III)
CoolerMaster HAF 922 with 2 200mm coolers and 3 80mm coolers.
Seagate 1TB 7200RPM HDD

Thanks guys thumb.gif
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post #2 of 11
yes
post #3 of 11
600

SURE
post #4 of 11
Thread Starter 
Quote:
Originally Posted by PontiacGTX View Post

600
SURE

Hmm, but this test was made just to show the GPU's consume or the total system? (I mean, CPU, HDD, etc)

I actually know that 650W can handle it, but I'm afraid that it could stay at the limit...
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WD 1TB 7200RPM Samsung 850 PRO 512GB Asus VG248QE Corsair Strafe 
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i7 7700k Asus Maximus IX Hero EVGA GTX 1070 FTW Corsair Vengeance LED Red 2x8GB 3000Mhz 
Hard DriveHard DriveMonitorKeyboard
WD 1TB 7200RPM Samsung 850 PRO 512GB Asus VG248QE Corsair Strafe 
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post #5 of 11
My corsair 650TX powers my sig rig overclock while not even hitting 600watts draw from the wall (while benching 3DMark11). With the 80-85% efficiency, I still have around 200 watts of headroom. Seeing as how your 2500 has a 95w TDP and mine has a 125w, I think mine proc probobly pulls more watts that yours, especially with my overvolt. That should balance out the higher load of your graphics cards. Even if you are pulling a little more than me, you should have a little breathing room. In terms of the risks:
Quote:
Originally Posted by mikeaj View Post

Higher temperatures are worse for most everything, while it's more significantly a combination of higher load (handling more current passing through) and higher temperatures that stress certain other components. Also if your sample in particular has a flaky solder joint or something like that, those can develop problems after enough heat cycles. You're looking at a slightly higher probability of failure, from low to low, I guess.
For a high quality power supply, the individual components inside are generally rated for more--sometimes much more, for various reasons, depending on which part--than they'd actually have to handle when operating at the power supply's max rated wattage. So it's not really much of a hard limit anyway.


Do you leave that overclock on all the time, or only when benchmarking etc?
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Vertex II 60GB, 2x Caviar Black EK Supreme HF, EK FC 6970 Windows 7 Ultimate Alienware AW2210 1080p 
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POLARIS
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Red Alert SR-1
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post #6 of 11
It can probably handle it but overclocking the two GPU's might be getting close to the limit.
post #7 of 11
Thread Starter 
Quote:
Originally Posted by Shadow_Foxx View Post

My corsair 650TX powers my sig rig overclock while not even hitting 600watts draw from the wall (while benching 3DMark11). With the 80-85% efficiency, I still have around 200 watts of headroom. Seeing as how your 2500 has a 95w TDP and mine has a 125w, I think mine proc probobly pulls more watts that yours, especially with my overvolt. That should balance out the higher load of your graphics cards. Even if you are pulling a little more than me, you should have a little breathing room. In terms of the risks:
Do you leave that overclock on all the time, or only when benchmarking etc?

Nope, I use 950Mhz on core (stock) when browsing the web but when I'm going to play ''heavy'' games like Battlefield 3 I put it on 1000Mhz.
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WD 1TB 7200RPM Samsung 850 PRO 512GB Asus VG248QE Corsair Strafe 
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post #8 of 11
Total System
post #9 of 11
Quote:
Originally Posted by Shadow_Foxx View Post

My corsair 650TX powers my sig rig overclock while not even hitting 600watts draw from the wall (while benching 3DMark11). With the 80-85% efficiency, I still have around 200 watts of headroom. Seeing as how your 2500 has a 95w TDP and mine has a 125w, I think mine proc probobly pulls more watts that yours, especially with my overvolt. That should balance out the higher load of your graphics cards. Even if you are pulling a little more than me, you should have a little breathing room. In terms of the risks:
Do you leave that overclock on all the time, or only when benchmarking etc?

TDP is the amount of heat to be cooled

http://www.tomshardware.com/reviews/sandy-bridge-overclocking-efficiency,2850-9.html
post #10 of 11
Quote:
Originally Posted by ViTosS View Post

Nope, I use 950Mhz on core (stock) when browsing the web but when I'm going to play ''heavy'' games like Battlefield 3 I put it on 1000Mhz.

Oh damn, I was thinking the stock was 772 or whatever like the 580s doh.gif You should be totally fine then, based on the graph above
Quote:
Originally Posted by PontiacGTX View Post

TDP is the amount of heat to be cooled
http://www.tomshardware.com/reviews/sandy-bridge-overclocking-efficiency,2850-9.html

I wish I could say I knew that, but I didnt, I thought the TDP was the wattage used at stock clocks doh.gif

I just totally fail in this thread lol
POLARIS
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Red Alert SR-1
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CPUMotherboardGraphicsRAM
Intel 3570k 4.5Ghz 1.25v AsRock z77E-ITX XFX Reference 2GB 6950 1015/1500 1.255v 8gb Gskill Trident X 2400 C10 
Hard DriveCoolingOSMonitor
Samsung 830 128GB Ek Supreme HF White Acetal/EK FC 6970 Windows 7 Dell U2913WM 2560x1080 
PowerCaseMouseAudio
Cooler Master Silent Pro Hybrid 1050w Caselabs Mercury S3 Logitech G500 Fiio E10k USB DAC 
Audio
Creative Aurvana Live! 
CPUMotherboardGraphicsRAM
Phenom II 955 BE (4.4Ghz @1.52v) NB @ 2870 Gigabyte 990FXA-UD3 Rev. 1.1 [F4] Dual Reference XFX 2GB 6950s (950/1437) 1.25v 8GB Gskill DDR3 1333 CL7 @1412 
Hard DriveCoolingOSMonitor
Vertex II 60GB, 2x Caviar Black EK Supreme HF, EK FC 6970 Windows 7 Ultimate Alienware AW2210 1080p 
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Logitech Illuminated Corsair 650TX Cooler Master Storm Scout Logitech G9 
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POLARIS
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Red Alert SR-1
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CPUMotherboardGraphicsRAM
Intel 3570k 4.5Ghz 1.25v AsRock z77E-ITX XFX Reference 2GB 6950 1015/1500 1.255v 8gb Gskill Trident X 2400 C10 
Hard DriveCoolingOSMonitor
Samsung 830 128GB Ek Supreme HF White Acetal/EK FC 6970 Windows 7 Dell U2913WM 2560x1080 
PowerCaseMouseAudio
Cooler Master Silent Pro Hybrid 1050w Caselabs Mercury S3 Logitech G500 Fiio E10k USB DAC 
Audio
Creative Aurvana Live! 
CPUMotherboardGraphicsRAM
Phenom II 955 BE (4.4Ghz @1.52v) NB @ 2870 Gigabyte 990FXA-UD3 Rev. 1.1 [F4] Dual Reference XFX 2GB 6950s (950/1437) 1.25v 8GB Gskill DDR3 1333 CL7 @1412 
Hard DriveCoolingOSMonitor
Vertex II 60GB, 2x Caviar Black EK Supreme HF, EK FC 6970 Windows 7 Ultimate Alienware AW2210 1080p 
KeyboardPowerCaseMouse
Logitech Illuminated Corsair 650TX Cooler Master Storm Scout Logitech G9 
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