Seagate ST3320311CS Pipeline HD.2 Series SATA Product Manual - Page 16
Formatted capacity, Default logical geometry, Recording and interface technology
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2.2 Formatted capacity Model ST31000424CS ST31000322CS ST3500414CS ST3500312CS ST3320413CS ST3320311CS ST3250412CS ST3250312CS ST3160316CS Formatted capacity* 1000GB 500GB 320GB 250GB 160GB Guaranteed sectors 1,953,525,168 976,773,168 625,142,448 488,397,168 312,581,808 Bytes per sector 512 *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 the drive 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. Refer to 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 137GB. 2.3 Default logical geometry Cylinders 16,383 Read/write heads 16 Sectors per track 63 2.4 Recording and interface technology Interface Recording method Recording density (max.) Track density (ktracks/inch avg) Areal density (Gbits/inch2 avg) Spindle speed (RPM) Internal data transfer rate (Mb/s max.) Sustained data transfer rate (MB/s max.) I/O data-transfer rate (MB/s max.) All models Serial ATA (SATA) Perpendicular 1417kb/in 236 ktracks/in 341.5Gb/in2 5900 (+/- 0.2%) 1285Mb/s 120MB/s 300MB/s 10 Pipeline HD.2 Series SATA Product Manual, Rev. G