Seagate ST3320311CS Pipeline HD Series SATA Product Manual - Page 13

www.seagate.com Drive Specifications 2.2 Formatted capacity Model ST2000VM002 ST1500VM002 ST1000VM002 Formatted capacity* 2TB 1.5TB 1TB Guaranteed sectors 3,907,029,168 2,930,277,168 1,953,525,168 Bytes per sector 4096 (512 bytes per sector emulated at the interface) 4096 (512 bytes per sector emulated at the interface) 4096 (512 bytes per sector emulated at the interface) *One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. 2.2.1 LBA mode When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n-1, where n is the number of guaranteed sectors as defined above. See Section 4.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48-bit addressing support of drives with capacities over 137GBs. 2.3 Default logical geometry Cylinders 16,383 Read/write heads 16 Sectors per track 63 LBA mode When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n-1, where n is the number of guaranteed sectors as defined above. 2.4 Recording and interface technology Interface Recording method Recording density (max) Track density (avg) Areal density (avg) Spindle speed (RPM) Internal data transfer rate (max) Sustained data transfer rate (max) I/O data-transfer rate (max) 2TB and 1.5TB models SATA Perpendicular 1632kFCI 274ktracks/in 422Gfc/in2 5900 ± 0.2% 1928Mb/s 144MB/s 300MB/s 1TB model SATA Perpendicular 1807kFCI 352ktracks/in 625Gfc/in2 5900 ± 0.2% 2147Mb/s 159MB/s 600MB/s Pipeline HD SATA Product Manual, Rev. D 13