Secondary hard drive cable kit included (hard drive flex cable, nylon spudger, U-shaped logic board removal tool, 2 - L-shaped crowbars with torx and phillips heads, 4 - rubber mounting grommets, and 4 - screws) Compatible for Mac mini 5,1 Mid 2011 (MC815LL/A),for Mac mini 5,2 Mid 2011 (MC816LL/A),for Mac mini 5,3 Mid 2011 (Server - MC936LL/A);for Mac mini 6,1 Late 2012 (MD387LL/A),for Mac mini 6,2 Late 2012 (MD388LL/A),for Mac mini 6,3 Late 2012 (Server - MD389LL/A) Add a second hard drive or solid state drive to your Mac mini with this awesome kit You provide the drive; we include everything you need. Upgrading your Mac mini couldn't be simpler.