GeForce GTX 480: CGNX-X4836 - PCI Express 2.0 - 1536 MB - GDDR5 - 384 Bit
Radeon HD 5970: CGAX-59748DP - PCI Express 2.0 - 2048 MB - GDDR5 - 256 BIT
Radeon HD 6970: CGAX-69748 - PCI Express 2.1 - 2048MB - GDDR5 - 256BIT
GeForce GTX 580: CGNX-X5836 - PCI Express 2.0 - 1536MB - GDDR5 - 384BIT
Radeon HD 6970 CoolStream Edition: CGAX-69748F - PCI Express 2.1 - 2048MB - GDDR5 - 256 BIT