Barracuda 3TB Hard Drive Combining state-of-the-art technology and industry-leading manufacturing expertise, the Seagate® Barracuda® 7200.12 drive—the 12th generation of this award-winning desktop hard drive family—delivers 320 GB of high-performing, eco-friendly digital storage. Designed with industry-leading acoustics and low power levels. Barracuda 3TB Hard Drive ST3000DM001 Specifications Model Number ST3000DM001 Interface SATA 6Gb/s Cache 64MB Capacity 3TB Areal density (avg) 625Gb/in2 Guaranteed Sectors 5,860,533,168 PHYSICAL Height 26.1mm (1.028 in) Width 101.6mm (4.0 in) Length 146.99mm (5.787 in) Weight (typical) 626g (1.38 lb) PERFORMANCE Spin Speed (RPM) 7200 RPM Average latency 4.16ms Random read seek time <8.5ms Random write seek time <9.5ms RELIABILITY Annual Failure Rate <1% POWER Maximum start current, DC 2.0