HITACHI, Hitachi Deskstar 7K3000 HDS723030ALA640 3 TB Internal Hard Drive (Catalog Category: Computer Technology/Storage Components) 3 Terabyte (3TB) storage capacity, Serial ATA interface SATA/600 (6GB/s) data transfer rate, 7200 RPM spindle speed, Eco-friendly, Halogen-free design 64 MB buffer, 3.5-inch form factor, Advanced Power Management, HiVERT technology Thermal Fly-height Control (TFC), Head load/unload protects disk during non-operation S.M.A.R.T. command transport, LDPC and CRC protection, Internal thermal sensor