Seagate Momentus ST320LM000 320GB SATA/300 5400RPM 8MB 2.5" Hard Drive Seagate Momentus ST320LM000 320 GB SATA/300 2.5-inch Hard Drive General Features: 320 GB capacity SATA interface 3 Gbps transfer rate 5400 RPM spindle speed 8 MB buffer Lead-free 2.5-inch form factor Ultra quiet 9.5 mm drive height ATA S.M.A.R.T. feature set ATA security mode feature set Power Specifications: 5V~0.85A Regulatory Approvals: CE C-Tick cULus