EiioX 2.5"/9.5mm SATA HDD Hard Drive Caddy for Apple Unibody SuperDrive SATA (Replacement, Fits Unibody Models Late 2008/Early 2009/Mid 2009/Late 2009/Early 2010/Mid 2010) This is VeeCome 2.5"/9.5mm SATA HDD Hard Drive Caddy for Apple Unibody SuperDrive SATA ( Replacement, Fits Unibody Models Late 2008/Early 2009/Mid 2009/Late 2009/Early 2010/Mid 2010) Hard Drive Caddy Tray for Apple Unibody MacBook / MacBook Pro 13 15 17 SuperDrive (Replacement Only) It can be made part of RAID array and Bootable. High performance SATA hard drive providing up to 500GB of additional internal hard drive space. This item only fits unibody models (Late 2008/Early 2009/Mid 2009/Late 2009/Early 2010/Mid 2010),all unibody version, Mac Book Pro early 2011