as much as sale two 7970s.

　　visiontek radeon hd 7970 model 900556.

　　aftermarket cooler arctic accelero xtreme 7970.

　　sapphire radeon hd 7970 model 21197-00-40G.

　　the visiontek has an aftermarket cooler ... they both running @ 1125mhz and memory @ 1575 without need to alter the voltage (i never trouble going any greater than that).

　　their stock clock speed is 925mhz.

　　these beasts outmatch the 780s and 290s.

　　the rate is 375 O.B.O. for both cards and im going to meet half way.

　　if you have any concern e-mail me.