HITACHI Deskstar 2TB 7200RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Desktop Hard Drive - (PC/Mac/CCTV DVR) w/1 Year Warranty Hitachi Deskstar 2TB 7200RPM SATA 2 3.0GB/S 3.5" Desktop HGST 1 yr Warranty