Is 850w corsair ax enough?

[irvinth]

Im planning to get a Corsair AX 850W and have two sli gtx 680, is it enough the psu wattage? also if not is two sli gtx 580 enough?

my current specs are:
Intel core i7 980X 3.33 GHZ
GIGABYTE GA X58A UD3R
WD CAVIAR BLACK 1.5 TB
KINGSTON HYPER X 6GB RAM (3X 2GB)
ATI RADEON HD 5870
COOLER MASTER HAF 932 CASE
COOLER MASTER 500W PSU (came with the case)

 

[Deleted member 217926]

The AX850 is more than enough for either 2 x GTX 580s or 2 x GTX 680s.

 

[AyuX]

Getting 2x680 is better. more performance for lesser price

 

[irvinth]

Best answer selected by irvinth.