thermaltake toughpower xt 675wa can handle 2 hd 7970?

[Silverghost DG]

my specs as follow..
sabertooth z87,i7 4770k @ 4.5ghz ,corsaire vengeance pro 2133 2x4,128 neutron ssd corsair, hd 7970, 5 sp corsair pwm fans for the radiators(360 and 240) psu thermaltake toughpower 675w .... can i add another HD 7970 in crossfire without changing my psu??

 

[clutchc]

Being as how that particular Thermaltake is a tier 2 PSU, yes. It should be fine. Not all Thermaltakes are as good.
http://www.eggxpert.com/forums/thread/323050.aspx