Apple Computer, Mac Pro 2.7 GHz 'Quad Core', Mac Pro 3.5 GHz ' Six Core', Mac Pro 3.0 GHz 'Eight Core', Mac Pro 2.7 GHz 'Twelve Core', Apple Order Number, ME253LL/A, MD878LL/A, BTO/CTO, Model Number, A1481, Model Year, Late 2013, Part Name, Memory 4GB DDR3 1866 MHz, Manufacture Part Number, N/A, Compatible Apple Order Number, ME253LL/A, MD878LL/A, BTO/CTO, Compatible Model Number, A1481, EMC Number, EMC-2630, EEE Code, N/A, Compatible Apple Computer Family, Mac Pro (Late 2013)
Order you product here: 923-7534 Memory 4GB DDR3 for Mac Pro Late 2013 A1481 ME253LL/A, MD878LL/A, BTO/CTO, 923-7534
source http://info.applepartsellers.com/923-7534-memory-4gb-ddr3-for-mac-pro-late-2013-a1481-me253ll-a-md878ll-a-bto-cto