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GTX260 Sli 550W Gonna Work?

post #1 of 18
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Hey

Ok im jsut about to pick up a second for sli how ever im a bit worried about the PSU



My cpu takes 113w of power

260 would take 150w each realworld

HDD,s + Fans and extras 50w

That is 480-ish watts roughly

What do you guys reckon?

Ty
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post #2 of 18
Should be fine as OCZ is a good make
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post #3 of 18
If the PSU has SLi capability, it should be manufactured to handle a little more juice output. 260's like power but we aren't talking duel 295's here.... youre on the edge but you should be fine.
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post #4 of 18
Quote:
Originally Posted by Hy3RiD View Post
Should be fine as OCZ is a good make
OCZ doesnt make PSU's...

I believe Sirtech makes that particular model, and they dont make the best quality models.

450 watt for GTX 260 in SLI and that CPU cuts it close. I would think about upgrading. That PSU is rated 500 watt at best
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post #5 of 18
what? don't tell me my 550w Fatality sucks... ... it's chugging along just fine.
     
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post #6 of 18
anyway, the 550w Fatality can power mid-range cards like GTS 250 in SLI, or going single up to the GTX 470. It cannot do GTX 480 and any of the dual-GPU cards.

in short, that PSU is meant for single-card rigs pretty much.
     
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post #7 of 18
I would consider getting a better power supply, Those PSU's are pretty weak for serious gpu setups.
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post #8 of 18
Quote:
Originally Posted by ChronoBodi View Post
what? don't tell me my 550w Fatality sucks... ... it's chugging along just fine.
It doesnt "suck" OCZ just has better models out there.
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post #9 of 18
A good rule of thumb is if it doesn't have enough PCI connectors for the job, you cant know for sure. I ran 2 260's off of a Corsair TX-650w just fine. But thats about a 200w difference on the 12v rail.
post #10 of 18
http://www.tomshardware.com/forum/27...cards#t2080859
my thread on the PSU.

Again, this PSU is meant for single GPUS up to GTX 470 and SLI GPUS up to GTS 250.

Also, it has only one 6-pin and one 6+2pin.
Edited by ChronoBodi - 6/11/10 at 1:01pm
     
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32inch Crossover 4K Thermaltake SMART M series 750W Powerspec G418 case Thermal 
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i7 4910mq GTX 880m (GK104 with 8GB VRAM) 16 GB DDR3 3x Samsung 840 EVO in RAID 0 (1.31 TB total) 
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