Seagate BarraCuda Product Manual, Rev. A

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Drive Specifications

2.2

Formatted capacity

*One GB equals one billion bytes and 1TB equals one trillion 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 5.3.1, "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: 16,383

• Read/write heads: 16

• Sectors per track: 63

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.

2.4

Recording and interface technology

Model

Formatted capacity*

Guaranteed sectors

Bytes per sector

ST3000DM008 & ST3000DM009

3000GB

5,860,533,168

4096

ST2000DM006 & ST2000DM007

2000GB

3,907,029,168

ST1000DM010

1000GB

1,953,525,168

ST500DM009

500GB

976,773,168

Interface

SATA

Recording method

TGMR

Recording density (kFCI)

1807

Track density (ktracks/inch avg)

352

Areal density (Gb/in2)625

Spindle speed (RPM)

7200 ± 0.2%

Internal data transfer rate (Mb/s max)

2147

Maximum sustained data transfer rate, OD read (MB/s)

210

Average data rate, read/write (MB/s)

156

I/O data-transfer rate (MB/s max)

600