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PSU for Dual 4870x2 - Page 3

post #21 of 109
No.
post #22 of 109
Quote:
Originally Posted by Shub View Post
Add a generous 50W.
Still perfectly fine.
Lmaooo... You wish matey, Try 2 or 3 times the power consumption. Do research before shouting out nonsense.

Why don't you quiet down and let the people who are currently running 4870x2 Quad-fire ( Like me ) help the OP
post #23 of 109
Quote:
Originally Posted by philhalo66 View Post
ignore the idiots saying it will be fine.
ATi recommends 1000 watt minimum for 2


(1K Watt with two 2x3-pin and two 2x4-pin connectors for ATI CrossFireX™ technology in dual mode)
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post #24 of 109
Quote:
Originally Posted by GameBoy View Post
do you need a link.

http://www.amd.com/us/products/deskt...uirements.aspx
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post #25 of 109
Quote:
Originally Posted by scatteh316 View Post
Lmaooo... You wish matey, Try 2 or 3 times the power consumption. Do research before shouting out nonsense.

Why don't you quiet down and let the people who are currently running 4870x2 Quad-fire ( Like me ) help the OP
Anyone who knows what they're talking about will back me up. GameBoy in here for example.

Edit: Not to mention claiming the consumption of an overclocked Core i7 doubles or triples is ridiculous beyond words.
post #26 of 109
Quote:
Originally Posted by Shub View Post
Anyone who knows what they're talking about will back me up. GameBoy in here for example.
neither one of you know what your talking about, just leave while you're behind.
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post #27 of 109
750 watts will be fine and even if there is a super slim chance you might exceed the psu's capabilities it will safely shut down with no fuss or drama because its a good psu but keep in mind during gaming and normal usage it will be perfectly good only way you might make that psu sweat a bit will be during extreme stress testing
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post #28 of 109
Why risk it, no point in running your psu that damn near its max all the time. if i can pull 800w+ with a pair of 6970s i think you will need something bigger for a pair of 4870X2s they were not exactly power friendly
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post #29 of 109
Quote:
Originally Posted by Blindsay View Post
Why risk it, no point in running your psu that damn near its max all the time. if i can pull 800w+ with a pair of 6970s i think you will need something bigger for a pair of 4870X2s they were not exactly power friendly
800 from the wall or 800 from the psu?
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post #30 of 109
Quote:
Originally Posted by scatteh316 View Post
Lmao at people saying 750w Will be fine

Take it from me, 850w MINIMUM.... Reviews show that Quad-Fire pulls just under 800w under full load on a system with an overclocked Core 2 Quad at 3.5Ghz. Core i7's use more power when overclocked so you'll looking at at over 800w total system power consumption.

Throw in some GPU overclocking at you're looking at even more.

If you can afford a 1Kw PSU then I would not considering anything less unless you have to.

Just ugh wut.
1kw is not needed at all.
Recommended PSU from ATI was 650W at 70% efficiency.
and the 1000w is also 70% efficiency, AMD/Nvidia always idiot-proof those requirements so that practically any PSU at that rated wattage will run it ok.
it takes no genious to figure out 70% of 1000w = 700w. So I would reccomend a good quality 850w such as the Corsair AX850, XFX 850w or the Seasonic X850. All of these units are very high quality and made by Seasonic, so each will pull up and beyond 850w with gold/silver (87-89%) rated efficiency. They also can pull up to 840w on the 12v IIRC
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