900w psu enough for 7990 & 7970 xfire?

ProdigalGeniuz

Honorable
Oct 1, 2013
19
0
10,510
i have a antec hcg 900w with couple of fans,ssd,h80i watercooling and a hdd attached..i am wondering whether it is enough for sapphire 7990 and sapphire vprx 7970 to xfire.

thanks in advance

here's my spec
asus sabertooth z77
i5 2500k - oc'ed to 4.5ghz
corsair h80i
5 corsair fans
hdd 1.5tb
3 2.5hhd
1 ssd
 

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