Nimitz 2nd HDD SSD Hard Drive Caddy for iMac A1311 A1312 MAC Mini A1283 A1347 Add a 2nd drive to your iMAC MAC Mini by replacing your superdrive Compatible Models: iMac A1311 A1312 ( from Early 2009 to Late 2011 and must have an internal SuperDrive) Compatible Models: Mac mini A1283 A1347 (from Early 2009 to Mid 2010,and must have an internal SuperDrive ) Mounting screw-holes on caddy provided so you can transfer your original optical drive's mounting brackets to the caddy Note: the cable/brackets are from your superdrive