HD 7770 on a 400W PSU?

LxMxFxD4

Senior member
Oct 6, 2007
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I have a system with crossfire 7770s an an antec high current gamer 400W. No problems at all.
 

lyssword

Diamond Member
Dec 15, 2005
5,630
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it says you have 2x xeon? if those are 100w each you may hav a problem in long run, although 7770 should not require significantly more power than 4670, maybe 30w more