Samsung SpinPoint SATA 5400rpm 8 MB Cache 1 TB 2.5-Inch Hard Drive (M8 HN-M101MBB) Buffer DRAM Size: 8 MB Interface: SATA 3.0 Gbps 5400 RPM 1 TB 9.5 mm height 1 TB 5400 RPM 9.5 mm height