Which PSU do I need for 2 7950's on 24/7 load

[kr4x]

I am looking to do some mining with my 2 7950s but need to know which PSU will be good enough to be running 24/7 with a little OC on the GPU's

 

[C12Friedman]

For 24/7 operation I'm going to suggest a very high quality PSU with a little bit of headroom such as the XFX]http://www.newegg.com/Product/Product.aspx?Item=N82E16817207011]XFX Core Edition PRO850W[/url] favorably reviewed here http://www.hardwaresecrets.com/article/XFX-PRO-850-W-Power-Supply-Review/1205/10 and here http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story6&reid=217 there are others that would work, but I think the price/performance ofthe XFX offering makes it a viable choice

 

[kr4x]

Would a Corsair 750W psu be good?

 

[C12Friedman]

The Corsair offerings are well recieved as reflected by this database of Corsair PSU reviews http://www.realhardtechx.com/index_archivos/Page447.htm but I am going to sugest just a tad bit more headroom as in 800W+ (why I suggested the 850W unit from XFX) to keep you closer to the 50-60% draw range (where PSU's tend to be most efficient). 750W will work for you but I personally think a slightly higher wattage unit will run cooler and quieter (and should last longer)