Hard drive:

Form Factor: 3.5" x 1/3H

Capacity: 320 GB

Interface Type: Serial ATA-300

Buffer Size: 8 MB

Features: Data Lifeguard

Compliant Standards: S.M.A.R.T.
Performance

Drive Transfer Rate: 300 MBps (external)

Seek Time: 8.9 ms (average)

Track-to-Track Seek Time: 2 ms

Average Latency: 4.2 ms

Spindle Speed: 7200 rpm
Reliability

Non-Recoverable Errors: 1 per 10^15

Start / Stop Cycles: 50,000

Manufacturer's product description:
Cool, quiet and fast. WD Caviar SE drives offer superior performance and reliability, making them ideal for business and family desktops.
Expansion / connectivity

Interfaces: 1 x Serial ATA-300 - 7 pin Serial ATA

Compatible Bays: 1 x internal - 3.5" x 1/3H
Environmental parameters

Min Operating Temperature: 0 °C

Max Operating Temperature: 60 °C

Humidity Range Operating: 5 - 95%

Shock Tolerance: 65 g @ 2ms (operating) / 350 g @ 2ms (non-operating)

Vibration Tolerance: 0.75 g @ 20-300 Hz (operating) / 4 g @ 20-500 Hz (non-operating)

Sound Emission: 25 dBA