Selling GIGABYTE ati 6990, used mostly for games, some mining. Never Overclocked hard,
Got 350 mhas per each core.
Also BF 3 never dropped below 100 fps on ultra setting (everything maxed)

http://www.newegg.com/Product/Product.aspx?Item=N82E16814125370
Bought it of newegg the day it was available.
looking for $600 or best Offer.