Lower Bay Hard Drive 2nd SSD Flex Cable Kit 821-1500A for Mac Mini A1347 Server Compatible With: Mac mini 2.3GHz Core i5 (A1347) - Mid 2011 MC815LL/A Compatible With: Mac mini 2.3GHz Core i7 (A1347) - Late 2012 MD388LL/A Compatible With: Mac mini 2.5GHz Core i5 (A1347) - Late 2012 MD387LL/A