Late 2009 iMac 27" Video Card Repair — 4850 — 2nd Bake - YouTube
Tarjeta gráfica de 2 GB GPU de repuesto para iMac 27 pulgadas mediados de 2011 A1312 computadora de sobremesa Core i5 3.1 MC814LL/A MC814, AMD Radeon HD 6970M GDDR5 2GB MXM Video
Amazon.com: 2GB Graphics Video Card Replacement for Apple iMac Mid-2011 27 Inch A1312 Core i7 3.4 MD063LL/A MD063 Desktop PC Computer, ATI Radeon HD 6970 GDDR5 2 GB, New GPU Upgrade Repair