HGST/Hitachi (HUA723020ALA641) Ultrastar 7K3000 2TB 64MB 7200RPM 3.5" (Enterprise Grade) SATA III 6.0Gb/s Hard Drive 2 Terabyte (2TB) storage capacity, Serial ATA interface, S.M.A.R.T. command transport SATA/600 (6GB/s) data transfer rate, 7200 RPM spindle speed, LDPC and CRC protection 64 MB buffer, 3.5-inch form factor, Advanced Power Management, Internal thermal sensor HiVERT technology, Thermal Fly-height Control (TFC), Head load/unload protects disk during non-operation