Apple Computer, Mac Pro 'Quad Core' 2.7 GHz, Mac Pro' Six Core' 3.5GHz, Mac Pro'Eight Core' 3.0 GHz, Mac Pro'Twelve Core' 2.7 GHz, Apple Order Number, ME253LL/A, MD878LL/A, BTO/CTO, Model Number, A1481, Model Year, Late 2013, Part Name, Graphic Board (B) 6GB AMD D500, Manufacture Part Number, N/A, Compatible Apple Order Number, ME253LL/A, MD878LL/A, Compatible Model Number, A1481, EMC Number, EMC-2630, EEE Code, N/A, Compatible Apple Computer Family, Mac Pro (Late 2013)
Order you product here: 661-7548 Graphic Board (B) 6GB AMD D500 for Mac Pro Late 2013 A1481 ME253LL/A, MD878LL/A, BTO/CTO, 661-7548
source http://info.applepartsellers.com/661-7548-graphic-board-b-6gb-amd-d500-for-mac-pro-late-2013-a1481-me253ll-a-md878ll-a-bto-cto