Crossfire Asus R9 290

[pigeonguyuk]

Hi Guys/Girls

I currently running on my system

Crossfire Asus Matrix Platinum HD 7970s
FX8350 4.0ghz
PSU 850w xfx psu

My Question is, would my psu struggle if i upgraded to 2 r9 290 gpus.

with the "mining" if i can get a reasonable amount for each card i will upgrade.

suggestions please
!

 

[Drangueos]

Your PSU will be ok, but if you get reference ones your ears will not be

 

[pigeonguyuk]

Your PSU will be ok, but if you get reference ones your ears will not be

I will be getting the following
http://www.overclockers.co.uk/showproduct.php?prodid=GX-334-AS&groupid=701&catid=56&subcat=1752