System Overview

Table 2-10

Hard Drive Specifications

Parameter

80 GB

160 GB

250 GB [4]

 

 

 

 

Drive Size

2.5 & 3.5 in.[1]

2.5 & 3.5 in [1]

3.5 in

 

 

 

 

Interface

SATA

SATA

SATA

 

 

 

 

Transfer Rate

1.5 & 3.0 Gb/s [2]

1.5 & 3.0 Gb/s [2]

3.0 Gb/s

 

 

 

 

Drive Protection System

Yes

Yes

Yes

Support?

 

 

 

 

 

 

 

Typical Seek Time (w/settling)

 

 

 

Single Track

0.8 ms

0.8 ms

1.0 ms

Average

9 ms

9 ms

11 ms

Full Stroke

17 ms

17 ms

18 ms

 

 

 

 

Disk Format (logical blocks)

156,301,488

320,173,056

488,397,168

 

 

 

 

Rotation Speed

5400/7200/

5400/7200/

7200 RPM

 

10K RPM [3]

10K RPM [3]

 

 

 

 

 

Drive Fault Prediction

SMART IV

SMART IV

SMART IV

NOTES:

[1]USDT supports 2.5-in. drives only.

[2]USDT supports 1.5 Gb/s drives only.

[3]USDT supports up to 7200-RPM drives only.

[4]Supported by SFF and CMT form factors only.

 

2-14

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