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Specifications

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2.0 SPECIFICATIONS

2.1 Performance Specifications

2.2 Physical Specifications

Specifications represented are of a typical production drive and may be subject to

change or variation without notice

.

Table 2-1. Performance Specifications

Rotational Speed 7200 RPM

Data Transfer Rate

1

- Buffer to Host

- Host to/from Disk

1

As used for buffer or cache, one megabyte (MB) = 1,048,576 bytes. As used for transfer rate or interface,

megabyte per second (MB/s) = one million bytes per second, and gigabit per second (Gb/s) = one

billion bits per second. Effective maximum SATA 6 Gb/s transfer rate calculated according to the Serial

ATA specification published by the SATA-IO organization as of the date of this document. Visit

www.sata-io.org for details.

6 Gb/s maximum

245 MB/s sustained (typical)

Buffer Size 256 MB

Error Rate - Unrecoverable

<1 in 10

15

bits read

Spindle Start Time

- From Power-on to Drive Ready 20s average

Load/Unload Cycles (controlled unload at

ambient condition)

600,000

Table 2-2. Physical Specifications

1

1

Specifications represented are of a typical production drive and may be subject to change or variation

without notice.

Model Number WD8001PURA/WD8001EVRA/DS82HKAI

Capacity

2

2

As used for storage capacity, 1TB = one trillion bytes. Actual user capacity may be less depending on

operating environment.

8TB

Interface SATA 6 Gb/s

Number of Disks 5

Data Surfaces 10

Number of Heads 10

Physical bytes per sector 4096

Host bytes per sector 512

User Sectors per Drive 15,628,053,168

Servo Type Embedded

Recording Method LDPC Target

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