Seagate BARRACUDA ST3500830AS User Manual download pdf (Page 32)

26 Barracuda 7200.10 Serial ATA Product Manual, Rev. J

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.

Model

Formatted

capacity*

Guaranteed

sectors

Bytes per sector

ST3750640AS

ST3750840AS

750 Gbytes 1,465,149,168 512

ST3500630AS

ST3500830AS

500 Gbytes 976,773,168 512

ST3400620AS

ST3400820AS

400 Gbytes 781,422,768 512

ST3320620AS

ST3320820AS

320 Gbytes 625,142,448 512

ST3300620AS

ST3300820AS

300 Gbytes 586,072,368 512

ST3250620AS

ST3250820AS

ST3250410AS

ST3250310AS

250 Gbytes 488,397,168 512

ST3200820AS 200 Gbytes 390,721,968 512

ST3160815AS

ST3160215AS

160 Gbytes 312,581,808 512

ST3120815AS

ST3120215AS

120 Gbytes 234,441,648 512

ST380815AS

ST380215AS

80 Gbytes 156,301,488 512

ST340815AS

ST340215AS

40 Gbytes 78,165,360 512

Cylinders Read/write heads Sectors per track

16,383 16 63

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 67 68

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