SPECIFICATIONS Model Number ST380215AS Interface SATA 3Gb/s Cache 2MB Capacity 80GB Areal density (avg) 101Gb/in2 Guaranteed Sectors 156,301,488 PHYSICAL Height 19.99mm (0.787 in) Width 101.6mm (4.000 in) Length 146.99mm (5.787 in) Weight (typical) 365g (0.805 lb) PERFORMANCE Spin Speed (RPM) 7,200 RPM Average latency 4.16ms Random read seek time <11ms Random write seek time <12ms RELIABILITY MTBF 700,000 hours Annual Failure Rate 0.34% POWER Maximum start current, DC 2.80