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Desktop SSHD Product Manual, Rev. A 13

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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 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 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

ST2000DX001 2000GB 3,907,029,168

ST1000DX001 1000GB 1,953,525,168

Interface SATA

Recording method TGMR

Recording density (kFCI) 1807

Track density (ktracks/inch avg) 352

Areal density (Gb/in

) 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

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Seagate ST2000DX001 Handbuch Seite 13