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PSU for 580 SLi? - Page 3

post #21 of 25
Quote:
Originally Posted by Phaedrus2129 View Post
An HX1050 has appeared on CWT's UL cert page. There's hope that it's a CWT PUC Silver unit, which is the updated version of the PUC platform used in the HX1000 with higher efficiency and better +12V ripple suppression. But it's still not 80PLUS Gold and is still massive and will still likely cost the same or more than the HX1000. At least it wouldn't be completely out of date though.
Hasn't the HX1050 been on there for ages, though? I'd imagine by now Corsair is probably going to use the Seasonic X-1000 for their 1kW replacement.

Edit: Are there any PSU's using the updated CWT PUC platform?
Edited by GameBoy - 3/21/11 at 12:14am
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post #22 of 25
Quote:
Originally Posted by GameBoy View Post
The TX850 is more than enough for two GTX 580's. The HX1000 is pretty average/outdated.
The HX1000 is a pretty poor power supply if you are powering two GPUs off it since its for all intents and purposes two 500W power supplies. Its a stretch to power a CPU and GTX580 off a 500W power supply.
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post #23 of 25
Are there any charts for power draw for 3 580s? I think a 1kw would cut it for 3, would it not?
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post #24 of 25
1k would cut it, but OCing would be at your own risk.

There's a cool youtube video of dual 6990s vs tri-sli 580s, the 580s top out at about 1000Watts from the wall.
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post #25 of 25
Quote:
Originally Posted by ocpokey View Post
1k would cut it, but OCing would be at your own risk.

There's a cool youtube video of dual 6990s vs tri-sli 580s, the 580s top out at about 1000Watts from the wall.
That is a good video.
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