750w Power Supply and 8800GTX SLI

[imported_Meridian]

I currently have a single 8800GTX card with a 750w power supply (and an Intel QX6850 processor). Will the 750w supply be enough to upgrade to two cards with SLI, or should I just stick with a single card configurations? Thanks,

Ben

 

[JimiP]

Absolutely. However, wattage isn't the main concern... it's amperage. How many amps are on your PSU's +12V rail(s)? If it is a higher quality PSU, you should have absolutely no problem powering up two 8800GTX's.

As far as I know, 8800GTX's only pull about ~200w's or so under max load. Someone please correct me if I'm wrong.

 

[terencek]

Yeah, what is the brand/model of your PSU? Some PSU's may have the wattage, but crappy amperage. But like JimiP said, 750W should be fine.

 

[imported_Meridian]

Thanks for the replies. It's an OEM power supply, and the specification lists the unit at 60 amps. Will that be enough? Thanks again,

Ben

 

[Mr Fox]

Originally posted by: Meridian
Thanks for the replies. It's an OEM power supply, and the specification lists the unit at 60 amps. Will that be enough? Thanks again,

Ben

With a 22" Monitor it is a waste of money..... to go SLI.... only at extended resolutions is SLI of any advantage.

 

[imported_Meridian]

Well, it seems like for games that are coming out these days (e.g., Crysis), 1680x1050 is an extended resolution. But I see your point.

 

[happy medium]

;

Originally posted by: Mr Fox

Originally posted by: Meridian
Thanks for the replies. It's an OEM power supply, and the specification lists the unit at 60 amps. Will that be enough? Thanks again,

Ben

With a 22" Monitor it is a waste of money..... to go SLI.... only at extended resolutions is SLI of any advantage.

:thumbsup:

 

[terencek]

That's fine. Most high end cards only require a max of 35A, so you're golden.

 

[aigomoria]

Def looks fine.. SLI away.. but yeah.. you are sort of on the edge of it being worth it on a 22.. you may see a bit of improvement but its really 1920+ where the gap really starts...

 

[terencek]

Originally posted by: aigomoria
Def looks fine.. SLI away.. but yeah.. you are sort of on the edge of it being worth it on a 22.. you may see a bit of improvement but its really 1920+ where the gap really starts...

Not to get too off track, but do you have any relation to aigomorla? He's a very knowledgeable guy for watercooling. Or are you aigomorla?