Do I need 1000w power supply for i7 extreme

[caddenv]

I need help choosing a Power supply for an Intel i7 980x with Asus Rampage III Gene system. Im thinking of running two ATI 6990 graphics cards also

 

[delluser1]

Do I need 1000w power supply for I7 extreme


I need help choosing a Power supply for an Intel i7 980x with Asus Rampage III Gene system. Im thinking of running two ATI 6990 graphics cards also

Wouldn't be a bad idea
http://www.tweaktown.com/reviews/3947/his_radeon_hd_6990_4gb_overclocked_video_card_review/index17.html

A few choices
http://www.newegg.com/Product/Productcompare.aspx?Submit=ENE&N=100007657%20600014025%20600014107&IsNodeId=1&bop=And&CompareItemList=58%7C17-121-075%5E17-121-075-TS%2C17-116-013%5E17-116-013-TS%2C17-800-002%5E17-800-002-TS

With the kind of money already being spent I'd invest more
http://www.newegg.com/Product/Productcompare.aspx?Submit=ENE&N=100007657%20600014027&IsNodeId=1&bop=And&CompareItemList=58%7C17-371-043%5E17-371-043-TS%2C17-139-014%5E17-139-014-TS