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Will 400W do the job? - Page 2

post #11 of 29
Quote:
Originally Posted by noname View Post
will do. But how do i find that?
It usually has the information on the side of the PSU.
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post #12 of 29
Open up your case, and look at the sticker on the side of the PSU, it will say 12v1, 12v2, under these headings will be the amperage of each 'rail'
post #13 of 29
Antec says your psu is rated at 18amps @12v here. Nvidia says it needs 22amps, so no go.
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post #14 of 29
Quote:
Originally Posted by shinji2k View Post
Antec says your psu is rated at 18amps @12v here. Nvidia says it needs 22amps, so no go.
Ummm no...there's a user on here that has a 400w 17amp PSU and he's using an 8800GT on it.
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post #15 of 29
Thread Starter 
Quote:
Originally Posted by redsunx View Post
It usually has the information on the side of the PSU.
here ill just copy the little thingy

400W Output
Model: SL400

AC Input: 115V/10A, 230V/5A;60Hz/50Hz


DC Output +5V +12V +3.3V -5V -12V +5V SB
max 38A 18A 28A 0.5A 0.8A 2.0A
min 1.5A 0.8A 0.5A 0A 0A 0A
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post #16 of 29
Here it is. http://www.antec.com/specs/sl400_spe.html


Edit: I didn't see you already posted it.
post #17 of 29
I would say it would be tight for a 7900 but I think you should be fine. I ran an overclocked 8600gt and my sig rig on a 300w generic PSU for 5months without issue (only upgraded for modular - and the price was right)
post #18 of 29
It'll do fine. What are you planning on doing with it? While the 18 Amps is....CHANCEY it'll probably still work.
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post #19 of 29
Thread Starter 
Hmm , well im my case i dont really have that much money to spend an extra 40 bucks (yes , im cheap lol, actually im in a money crysis)

Based on what ive seen ill stick with my 400W , and if it doesnt work , ill shell out an extra 30-40 bucks.
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post #20 of 29
That wattage rating you calculated, was that at 100% load/TDP for everything?

With that PSU, I think you'll be cutting it close, but it should work for a good while (although the chance of it dying would probably be higher since your putting more stress on it)

Quote:
Originally Posted by noname View Post
Hmm , well im my case i dont really have that much money to spend an extra 40 bucks (yes , im cheap lol, actually im in a money crysis)

Based on what ive seen ill stick with my 400W , and if it doesnt work , ill shell out an extra 30-40 bucks.
LOL, money crysis.....
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