The product we’ll be featuring here today, the AMD Radeon HD 6990, should come as no surprise to anyone that even remotely stays on top of the PC graphics scene. News of the Radeon HD 6990’s arrival has been circulating for many months now, although back in the early days it was referred to by its codename—Antilles. Antilles was the codename given to the dual-Cayman GPU powered graphics card that would eventually top AMD’s graphics card line-up and supplant the Radeon HD 5970 that’s served the company so well, since its release way back in November of ’09.