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Will my older BFG GS-650w PSU be enough for a single GTX 760 or GTX 770?

post #1 of 3
Thread Starter 
I know my PSU is outdated, but I'm on a budget and would like to just get a new card. The 760 recommends 500w or greater, the 770 recommends 600w or greater so the wattage seems fine. My concern is in the connectors and the amps on the +12 volt rail. Someone please give me guidance so i can make a purchase.

My PSU:
http://www.newegg.com/Product/Product.aspx?Item=N82E16817702018

GTX 760:
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130937

GTX 770:
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130921

These are the specific cards I'm interested in, I guess I'm an EVGA fanboy haha. If theres a better EVGA model that will give me the most performance on an air cooled system within these budgets, I'd like to also hear about them after my initial question is answered. I'm mostly trying to get well setup for FFXIV: ARR, Elder Scrolls Online, BF4 and COD: Ghosts, in that order of priority. Thanks guys!
Edited by rlh329 - 7/25/13 at 3:16am
post #2 of 3
I think you will be OK with the 760, but I'm not so sure about the 770. It says on Newegg that it requires 42 amps on the 12V rail. Your 12V rails (combined) provide 40 amps.
post #3 of 3
Spec wise, the BFG psu can handle either a GTX 770 or GTX 760 system.

But it's too old now and should be replaced. You won't need a 4gb 760, the 2gb will be fine.

Out of the two cards, I'd go for the GTX 770 2gb.
    
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CPUMotherboardGraphicsRAM
Xeon E5-1680 V2  R4BE  TITAN X (Pascal)   2666 Dominator Platinum CL10 
Hard DriveCoolingCoolingOS
750 NVMe 1.2TB EK HF/rx360/rx120 EK FC/GTs/mcp655 Windows 10 Pro  
MonitorPowerCaseAudio
BL3200PT 1600 T2 800d Pro Audio 2.1 + DragonFly Red 
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Overclock.net › Forums › Components › Power Supplies › Will my older BFG GS-650w PSU be enough for a single GTX 760 or GTX 770?