GeForce 660o/PSU Question

308 Views 2 Replies 3 Participants Last post by laboitenoire, Mar 4, 2006

thenutty1

Discussion Starter · Mar 4, 2006

Hey I'm back again attempting another build with the same video card from the other night. My question is, how many amps does a 6600 need on the 12v rail? If it doesn't have enough power, could that be causing the card to not display anything (even during POST)?

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Ste

· #2 · Mar 4, 2006

Quote:

Originally Posted by thenutty1

Hey I'm back again attempting another build with the same video card from the other night. My question is, how many amps does a 6600 need on the 12v rail? If it doesn't have enough power, could that be causing the card to not display anything (even during POST)?

I'd say a good quality 350W PSU with around 18A on the 12v rail would be recommended. Yes, low power could stop the machine from booting.

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laboitenoire

· #3 · Mar 4, 2006

If my system had a 6800 ultra it would only draw about 320W max. You probably want around 400w for your system and 30A over all the +12V rails.

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