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8 Pipeline HD Series SATA Product Manual, Rev. C
2.2 Formatted capacity
*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.
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 137 Gbytes.
2.3 Default logical geometry
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.
2.4 Recording and interface technology
Model
Formatted
capacity*
Guaranteed
sectors
Bytes per sector
ST3500321CS
ST3500422CS
500 Gbytes 976,773,168 512
ST3320310CS
ST3320410CS
320 Gbytes 625,142,448 512
ST3160310CS 160 Gbytes 312,581,808 512
Cylinders Read/write heads Sectors per track
16,383 16 63
500 GB models 320 and 160 GB model
Interface Serial ATA (SATA)
Recording method Perpendicular
Recording density (kbits/inch max) 1,020 kbits/in max 1,242 kbits/in max
Track density (ktracks/inch avg) 173 ktracks/in avg
Areal density (Gbits/inch
2
avg) 176 Gbits/in
2
avg 215 Gbits/in
2
avg
Internal data transfer rate (Mbits/sec max) 980 Mbits/sec max 1,201 Mbits/sec max
Sustained data transfer rate (Mbytes/sec max) 90
I/O data-transfer rate (Mbytes/sec max) 300