minimum psu?

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Dorkenstein

Dorkenstein

Diamond Member
Jul 23, 2004
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Whats the minimum psu wattage I should get for a c2d system with an x1950xt graphics card? I also need to take into account the future being DX10 cards. Thanks.
 
S

stevolution

Member
Jan 14, 2007
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Well it also depends whether you are going to overclock your system (CPU or graphic card or both) or not. I am also using Sapphire X1950XT and I had Enermax Noisetaker 485Watt power supply with dual rails but I overclocked hard and computer was restarting on me quite often (but I also have 5 harddrives running, 4 12CM fans, and 2 90mm fans with 2 coolermaster cooldrives running). It would have been enough if I just left all my components running at stock speed. If you are going to overclock, minimum I think it should be 500W but I could be wrong since you are going with Core2Duo and DDR2 which should consume less power :)

You can use the power supply calculator to ROUGHLY estimate the powersupply requirement here even though the numbers they threw at me seemed abit overkill -> http://extreme.outervision.com/psucalculator.jsp

Laters
 
Dorkenstein

Dorkenstein

Diamond Member
Jul 23, 2004
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Thanks for the feedback. If I expect to get a dx10 card later in the year, should I aim a little high?
 
V

Varun

Golden Member
Aug 18, 2002
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You want to be comfortable running your equipment, so it is always a good idea to have some headroom, however going 600w is overkill. A good 450w supply will run any single CPU/GPU setup basically.

I have a S-12 380 running a 3700+ and 8800GTS and it's fine.
 
I

imported_AndyT

Member
Dec 8, 2004
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Choosing a 600w PSU is not a bad idea. Sure you may not need 600w today, but we gamers often upgrade components and a 450w PSU won't handle a high end video card, especially if the 450w PSU is an OEM type that is heavily over-rated. Someone mentioned overclocking and that would definately push you over the edge. Components and OSes can be damaged by a straining PSU. I have been there a few times and learned my lesson.
 
happy medium

happy medium

Lifer
Jun 8, 2003
14,387
480
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Originally posted by: AndyT
Choosing a 600w PSU is not a bad idea. Sure you may not need 600w today, but we gamers often upgrade components and a 450w PSU won't handle a high end video card, especially if the 450w PSU is an OEM type that is heavily over-rated. Someone mentioned overclocking and that would definately push you over the edge. Components and OSes can be damaged by a straining PSU. I have been there a few times and learned my lesson.
Click to expand...



Thats what I was thinking!

 
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t3h l337 n3wb

Platinum Member
Apr 22, 2005
2,698
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I like the FSP550-80GLC-R. 4 +12V rails @ 22A each for a total of 42A, 80% claimed efficiency, and only $85. The only bad thing is that there's only a 80mm fan, which would make it kinda loud. I'm looking to buy one soon to power my recently acquired X1950XT.
 
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151528

Senior member
May 26, 2006
211
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If i was him id be going for a 580W Hiper psu, dont know if yuou have em over there, but their very good quality, and it has a max output of 630W, so its good for the price, considering it only makes 18db of noise and is is pretty darn cool too.
 
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