Does an 850 watt PSU cut it

[Sehop]

Right now I have a build with

http://www.newegg.com/Product/Product.aspx?Item=N82E16813131877

http://www.newegg.com/Product/Product.aspx?Item=N82E16814121805

http://www.newegg.com/Product/Product.aspx?Item=N82E16819113352

Is an 850 watt corsair HX going to be enough for this build?

 

[gcatalin]

That psu is going to be enough even if you plan to crossfire two of those video cards.