I7 and gtx 280 Sli Power requirements

S

Scubie67

Active Member
Well I was thinking about going with one of the quality 750 watters (Ocz,corsair,Pc&p,Silverstone) Ps for my new I7 build from what I have been reading it takes more watts that a regular Q9550 build especially if Sli/crossfire is wanted .If I wanted to add a second 280 down the road dont know if a 750 watt would handle it without straining.

Does it look like I would probably need a 1KW unit from those manufacturers to be safe with a I7?

I would rather have more than I need than not enough and have to upgrade later to a higher wattage unit.
 
just a noob said:
go with a 1k watt unit, you have more headroom that way for upgrades in the future
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Yeah that is what I was thinking.When it first came out I thought the I7 was supposed to be more efficient but it seems some people are having trouble keeping it stable with Ocing and a beefy card with the lower wattage Ps's.
 
i'm not sure about i7, i mean its a great processor, but from what i've heard there are problems with energy leakage when overclocked, i know someone noticed a phenominon at about 1.7 volts(benching) they just can't get enough voltage because of the motherboards, the electricity just leaks(its really weird lol)
 
just a noob said:
i'm not sure about i7, i mean its a great processor, but from what i've heard there are problems with energy leakage when overclocked, i know someone noticed a phenominon at about 1.7 volts(benching) they just can't get enough voltage because of the motherboards, the electricity just leaks(its really weird lol)
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Hmm ,I wonder if that is the reason for many of the problems then.The I7 has a rating of 130 watts so it is not too terribly high wattage but people posting it eating up 300 watts with high OC makes me wonder:confused:
 
the 130 watts has nothing to do with power draw as far as i know, i think thats just how many watts of heat it offputs
 
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