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650w Corsair enough? - Page 2

post #11 of 16
yeah, it will power it just fine.
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post #12 of 16
Quote:
Originally Posted by ocpokey View Post
http://guru3d.com/article/geforce-gtx-570-sli-review/13

SLI 570s at full stress, GPU consumption 410 Watts at the wall (348.5 to system). You have p-l-e-n-t-y of room left on a quality 650 (your CPU isn't going to consume > 300 Watts).
Really, don't waste your money on 850 watts that you don't need.
From the link you just posted!
GeForce GTX 570 in 2-way SLI

A second card requires you to add another ~225 Watts. You need a 750+ Watt power supply unit if you use it in a high-end system (800+ to a KiloWatt is recommended if you plan on any overclocking).
For each other card (3-way SLI) that you add, just add another 250 Watts and 20A on the 12V rails as a safety margin. What would happen if your PSU can't cope with the load? Here are some pointers:

bad 3D performance
crashing games
spontaneous reset or imminent shutdown of the PC
freezing during gameplay
PSU overload can cause it to break down
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post #13 of 16
Quote:
Originally Posted by MIKEVALL View Post
From the link you just posted!
GeForce GTX 570 in 2-way SLI

A second card requires you to add another ~225 Watts. You need a 750+ Watt power supply unit if you use it in a high-end system (800+ to a KiloWatt is recommended if you plan on any overclocking).
For each other card (3-way SLI) that you add, just add another 250 Watts and 20A on the 12V rails as a safety margin. What would happen if your PSU can't cope with the load? Here are some pointers:

bad 3D performance
crashing games
spontaneous reset or imminent shutdown of the PC
freezing during gameplay
PSU overload can cause it to break down

For a system that consumes ~400w they recommend a 750w+ psu
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Dunno
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post #14 of 16
I had the same setup as you but with 2 5850's wich use less power, and i think the psu was under a pretty heavy load, getting hot.
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post #15 of 16
The guru3d recommendation is fine if you have a run of the mill PSU that is rated higher than it can output. The Corsair can actually output 650W continuously. It will work with two stock 570s, however if you overclock everything it could put you over 650.
 
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post #16 of 16
The 650w will work just fine provided you don't run LinX/Furmark together all day 24/7.
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