AMD Radeon HD 6750m (512mb) for Apple iMac A1311 Mid 2011 for sale online | eBay
Apple iMac 21.5-inch Mid-2011 2.5GHz Intel Core i5 (MC309LL/A) – UNICOM, Inc.
AMD Radeon HD 6750M 512MB Video Card 109-C29557-00 For Apple iMac A1311 #01 Z63 | eBay
Apple iMac 21.5" A1311 Mid-2011 ATI Radeon HD 6750M 512MB Video Card - Part Haven
Apple iMac 21.5" Mid 2011 A1311 AMD Radeon HD 6750M 256MB 109-C29557-00 | eBay
upgrade - Ordering a 21.5" iMac with a different graphics card - Ask Different
Apple iMac 21.5" - Spring 2011 Reviews, Pros and Cons | TechSpot
After upgrading the drivers from bootcampdrivers.com on my 21.5 inch mid 2011 iMac, the display driver says "AMD Radeon 6600M and 6700M series", while it said "AMD Radeon HD 6750M" before. Any
iMac Intel 21.5" EMC 2428 Radeon HD 6750M Graphics Card
AMD Radeon HD 6750M Mac Edition Specs | TechPowerUp GPU Database
Graphics performance AMD Radeon HD 6750M 1024 MB very bad? | MacRumors Forums
GPU ATI 216-0810005 HD 6750M Graphic Video IC Chip for MacBook Pro 15" A1286 &