PSU For SLI

[Mr.Mccoy]

Hello there, I was wondering if a 650Watt Antec power supply can run two of these -MSI GeForce GTX 670 OC Twin Frozr Power Edition 2048MB GDDR5 PCI-Express Graphics Card in SLI.

 

[DaleTheWhale]

YOUR BASKET
1 x Corsair Professional Series HX+ 750W '80+ Gold' Modular Power Supply (CP-9020031-UK) £119.99
1 x Antec High Current Gamer 750W Modular '80 Plus Bronze' Power Supply (0-761345-06223-7) £99.95
1 x XFX Pro 850W Core Edition '80 Plus Bronze' Power Supply £74.99
Total : £306.92 (includes shipping : £10.00).



I'd recommend the Antec or XFX as they are made by Seasonic, the Antec and Corsair are modular.

 

[Cleisthenes]

Hello there, I was wondering if a 650Watt Antec power supply can run two of these -MSI GeForce GTX 670 OC Twin Frozr Power Edition 2048MB GDDR5 PCI-Express Graphics Card in SLI.

you should be able to use a 650w that i'm assuming you already own for this, although the psu's listed above will provide you with more headroom for expansion

 

[setter]

It should be fine. I ran a 3770k at 4.5ghz and sli 670's. Total system power draw at the wall (incl momitor) was 430w in games.

 

[DaleTheWhale]

I suppose with how power efficient some components are you don't need a full whack 750w all the time.

 

[setter]

Efficiency of more modern cpu's/gpu's is incredibly good. Previously i ran an i7 920 @4.2ghz along with sli'd gtx 470's overclocked to 750mhz. That system was showing a power draw of 630w in games. Furmark on extreme burn was 744w.

 

[RJC]

Indeed, I had the 480 and the i7 920 and got 630w from the mains, it surprising how small of a PSU is needed when looking at certain gpu's.