XFX Radeon HD 6990 Video Card with Eyefinity HD-699A-ENF9 - Newegg.com
My photo from 2012 I have 2x radeon hd 6990 in crossfire and cpu core i7-920. I could not achieve stable 60 fps in Crysis. Often FPS in Crysis decreased to 40-50.
AMD Radeon HD 6990 Launch Day: a 450W and 0 Dual-GPU Graphics Card for The Fanatic! | Geeks3D
The Story of GCN, ATI Radeon HD 5970 Black Edition, AMD Radeon HD 6990 ES, XFX R7990,MSI 290x Lighting, R9 290x LC EK, & Radeon VII 50th AE. : r/Amd