Gaming Performance - Alienware's M18x, Part 1: NVIDIA's GeForce GTX 580M in SLI
Review AMD Radeon HD 6970M Graphics Card - NotebookCheck.net Reviews
Amazon.com: Valley Of The Sun New 2GB Graphics Video Card Upgrade for Apple iMac Mid-2011 27 Inch Core i5 MC814LL/A MC814 A1312 Desktop All-in-One PC, AMD Mobility Radeon HD 6970M Replacement :
Amazon.com: Valley Of The Sun New 2GB Graphics Video Card Upgrade for Apple iMac Mid-2011 27 Inch Core i5 MC814LL/A MC814 A1312 Desktop All-in-One PC, AMD Mobility Radeon HD 6970M Replacement :
AMD Radeon HD 6970 Review > Test System Specs & 3Dmark 11 | TechSpot
AMD Radeon HD 6970M Review w/ Eurocom | HotHardware