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10 Pipeline HD.2 Series SATA Product Manual, Rev. E
2.2 Formatted capacity
Model
Formatted
capacity*
Guaranteed
sectors
Bytes per sector
ST31000424CS
ST31000322CS
1000GB 1,953,525,168
512
ST3500414CS
ST3500312CS
500GB 976,773,168
ST3320413CS
ST3320310CS
320GB 625,142,448
ST3250412CS
ST3250312CS
250GB 488,397,168
ST3160316CS 160GB 312,581,808
*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 Read/write heads Sectors per track
16,383 16 63
2.4 Recording and interface technology
All models
Interface Serial ATA (SATA)
Recording method Perpendicular
Recording density (max.) 1417kb/in
Track density (ktracks/inch avg) 236 ktracks/in
Areal density (Gbits/inch
2
avg) 341.5Gb/in
2
Spindle speed (RPM) 5900 (+/- 0.2%)
Internal data transfer rate (Mb/s max.) 1285Mb/s
Sustained data transfer rate (MB/s max.) 120MB/s
I/O data-transfer rate (MB/s max.) 300MB/s