AMD Radeon HD 6770M / Intel HD Graphics 3000 Archives - TEKDEP
AMD Radeon HD 6770M 109-C29557-00 for Apple iMac A1311 A1312 | eBay
Original Graphics Video Card for Apple iMac 2011 Core i5 2.7 A1312 MC813LL/A MC813 27 Inch Desktop PC Computer AMD Radeon HD 6770M HD6770M GDDR5 512MB - Gamers Arena Custom Computers PC