Apple Computer, Mac Mini 2.5 GHz Core i5 (i5-3210M), Mac Mini 2.3/2.6 GHz Core i7 (i7-3615QM, i7-3720QM),
Compatible Order Number, MD387LL/A, MD388LL/A,
Compatible Model Number, A1347,
Model Year, Late 2012,
Part Name, Hard Drive 500G (Lower Bay),
Manufacture Part Number, N/A,
EMC Number, EMC 25701, EMC 2570,
EEE Code, N/A,
Compatible Apple Computer, Mac Mini (Late 2012)
Order you product here:
661-7023 Hard Drive 500GB (Lower Bay) for Mac Mini Late 2012 A1347 MD387LL/A, MD388LL/A,
661-7023
source
http://info.applepartsellers.com/661-7023-hard-drive-500gb-lower-bay-5400-rpm-for-mac-mini-late-2012-a1347-md389ll-a-md389ll-a-bto-cto