iFixit Mac Mini Dual Drive Kit
Add a second hard drive to your 2011 or 2012 Mac Mini Kit includes SATA Hard Drive Cable, Mounting Grommets, Mounting Screws, Logic Board Removal Tool, 26 Bit Driver Kit, and ESD-Safe Spudger Compatible with 23, 25, or 27 GHz 2011 Mac Minis (Model A1347) and 23, 25, or 26 GHz 2012 Mac Minis (Model A1347)