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PSU for 7950 Vapor X Crossfire

  • Corsair
  • Graphics
Last response: in Graphics Cards
August 3, 2013 7:07:17 PM

Hey guys,

I currently have the below setup:

i7 3770k @ 4.6Ghz
Corsair H100i in Push/Pull
Asus Maximus V Formula
G.Skill Sniper 2x4GB DDR3 1600Mhz (would be upgrading to 16GB)
WD Caviar Black 1TB
Samsung Spinpoint F3 1TB
Intel X-25M G2 80GB SSD
Asus DVD-R Combo
NZXT Red LED Sleeved Kit
2 Bitfenix Spectre Pro Red LED 140mm Fans
4 NZXT 140mm fans
NZXT Switch 810
Qnix QX2710 1440p Monitor
2 Sapphire 7950 Vapor -X Boost cards in Crossfire
Corsair TX 750V2 PSU

I would like to know if my Corsair TX 750V2 PSU is capable enough of powering my entire system. I have already overclocked my CPU to 4.6Ghz but I would also like to overclock my 7950's to atleast 1100Mhz Core / 1500Mhz Memory. Will my TX 750 be sufficient to run the system or will it be cutting it close. Should I upgrade my Power Supply? If yes, then to how much?

More about : psu 7950 vapor crossfire

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August 3, 2013 7:35:16 PM

750 is OK but not for overclocked cards

August 3, 2013 7:41:27 PM

JackNaylorPE said:
750 is OK but not for overclocked cards

I guess, a 900 to 1000 watt power supply is definitely what I should look out for if I am overclocking these cards. :( 
August 4, 2013 9:44:53 AM

byogamingpc said:
The Seasonic M12II 850W would be absolutely fine. I had 2 OC'ed 7950's on my XFX 850 Black Ed. And an OC'ed 2600K. Ran beautifully. :) 

Getting the AX1200. Just trying to be future proof. Thanks for all your help guys.