Seagate Barracuda ST3160021AS User Manual download pdf (Page 13)

Barracuda 7200.7 Serial ATA Product Manual, Rev. N 5

*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment

and formatting.

**During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and

power to operational levels.

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 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.

2.3 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.

Contact start-stop cycles

(25°C, 40% relative humidity)

50,000

Supports Hotplug operation per SATA II

specification

Yes

Model Formatted capacity* Guaranteed sectors Bytes per sector

ST3200822AS 200 Gbytes 390,721,968 512

ST3160827AS

ST3160023AS

ST3160021AS

160 Gbytes 312,581,808 512

ST3120827AS

ST3120026AS

ST3120022AS

120 Gbytes 234,441,648 512

ST380817AS

ST380013AS

ST380011AS

80 Gbytes 156,301,488 512

ST340111AS

ST340014AS

40 Gbytes 78,165,360 512

Cylinders Read/write heads Sectors per track

16,383 16 63

Table 2: Drive specifications

Drive specification ST3200822AS