Seagate ST32000542AS Barracuda LP Series SATA Product Manual - Page 16
Formatted capacity, Default logical geometry, Recording and interface technology - hard drive
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2.1 Formatted capacity Model ST32000542AS ST31500541AS ST31000520AS Formatted capacity* 2000GB 1500GB 1000GB Guaranteed sectors 3,907,029,168 2,930,277,168 1,953,525,168 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. 2.1.1 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 48bit addressing support of drives with capacities over 137GB. 2.2 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. 2.3 Recording and interface technology Interface Recording method Recording density (kbits/inch max) Track density (ktracks/inch avg) Areal density (Gb/in2 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.) Serial ATA (SATA) Perpendicular 1417kb/in 236 ktracks/in 341.5Gb/in2 5900 (+ 0.2%) 1285Mb/s 95MB/s 300MB/s 8 Barracuda LP Series SATA Product Manual, Rev. D