Apple Computer, Mac Pro 'Quad Core' 2.7 GHz, Mac Pro' Six Core' 3.5 GHz,, 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, CPU Raiser Card 3.0 GHz (8-Core),
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:
661-7546 CPU Raiser Card 3.0 GHz (8-Core) for Mac Pro Late 2013 A1481 ME253LL/A, MD878LL/A, BTO/CTO,
661-7546
source
http://blogs.applepartsellers.com/661-7546-cpu-raiser-card-3-0-ghz-8-core-for-mac-pro-late-2013-a1481-me253ll-a-md878ll-a-bto-cto.html