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Enough wattage for 2 x 5770?

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llOriginll's Avatar
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Member with 68 posts.
  
Join Date: Dec 2008
Location: Swindon
Experience: XP user; no coding know.
17-Nov-2009, 12:37 PM #1
Enough wattage for 2 x 5770?
Hey Guys,

I know bugger all about power, so thought I'd ask here

See my signature for my system specifications, but I'm running a Corsair 650W ATX unit that's currently powering a AMD Quad-Core and a 5770, two hard drives and a few fans.

The question basically comes down to: Could I run a second 5770 in crossfire? Or would I need a bigger PSU? I ask because the 5770 does apparently have quite a small wattage use

Thaaaaanks,

O
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- 4Gig 677Mhz DDR2 RAM / Powercolor ATI Radeon HD 5770 1024MB GDDR5
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Last edited by llOriginll; 17-Nov-2009 at 12:53 PM..
crjdriver's Avatar
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Moderator with 25,867 posts.
  
Join Date: Jan 2001
Location: Reno, NV
17-Nov-2009, 03:06 PM #2
I would think you are OK. The specs I found for a 5770 are a 600W when used in cross-fire mode. The corsair is a very high quality 650W so it should be fine.
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