Filter
Top Products
10 Barracuda 7200.12 Serial ATA Product Manual, Rev. C
2.1 Formatted capacity
*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment
and formatting.
2.1.1 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 48-
bit addressing support of drives with capacities over 137 Gbytes.
2.2 Default logical geometry
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.
Model
Formatted
capacity*
Guaranteed
sectors
Bytes per sector
ST31000528AS 1000 Gbytes 1,953,525,168
512
ST3750528AS 750 Gbytes 1,465,149,168
ST3500418AS
ST3500410AS
500 Gbytes 976,773,168
ST3320418AS 320 Gbytes 625,142,448
ST3250318AS 250 Gbytes 488,397,168
ST3160318AS 160 Gbytes 312,581,808
Cylinders Read/write heads Sectors per track
16,383 16 63