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0 drive specifications, Drive specifications, Drive specifications summary – Seagate BARRACUDA XT SERIES SATA ST32000641AS User Manual

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Barracuda XT Series SATA Product Manual, Rev. C

3

2.0

Drive specifications

Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For con-
venience, the phrases the drive and this drive are used throughout this manual to indicate the following drive models:

The specification summaries listed in the following tables are for quick reference. For details on specification measure-
ment or definition, see the appropriate section of this manual.

Table 1:

Drive specifications summary

for 2000GB models

ST32000641AS

Drive specification

ST32000641AS

Formatted capacity (512 bytes/sector)*

2000GB

Guaranteed sectors

3,907,029,168

Heads

8

Disks

4

Bytes per sector

512

Default sectors per track

63

Default read/write heads

16

Default cylinders

16,383

Recording density

1421 kb/in

Track density(avg)

240 ktracks/in

Areal density (avg)

347Gb/in

2

Spindle speed

7200 RPM

Internal data transfer rate (max)

1300Mb/s

Sustained data transfer rate OD(max)

138MB/s

I/O data-transfer rate (max)

600MB/s

ATA data-transfer modes supported

PIO modes: 0 to 4

Multiword DMA modes: 0 to 2

Ultra DMA modes 0 to 6

Cache buffer

64MB

Height (max)

26.1mm / 1.028 in

Width (max)

101.85mm / 4.010 in

Length (max)

146.99mm / 5.787 in

Weight (typical)

700g / 1.543 lb

Average latency

4.16ms

Power-on to ready (typical)

15s

Standby to ready (typical)

15s

Startup current (typical) 12V (peak)

2.8A