MK2018GAP Toshiba 20GB 4.2K RPM 2MB Buffer Form Factor 2.5 Inches 9.5MM ATA-IDE Notebook Hard Drive. New Bulk Pack.

Specification
Device Type Hard drive - internal
Width 2.8 in
Depth 3.9 in
Height 0.4 in
Weight 3.4 oz

Hard Drive
Form Factor 2.5" Slim Line
Capacity 20 GB
Interface Type ATA-100
Buffer Size 2 MB
Features Ball-Bearing Technology (BB) motor
Compliant Standards S.M.A.R.T.

Performance
Drive Transfer Rate 100 MBps (external) / 19.6 MBps (internal)
Seek Time 13 ms (average) / 24 ms (max)
Track-to-Track Seek Time 3 ms
Average Latency 7.14 ms
Spindle Speed 4200 rpm

Configuration
Sectors per Track 63
Bytes per Sector 512

Reliability
MTBF 300,000 hour(s)
Non-Recoverable Errors 1 per 10^13
Seek Errors 1 per 10^6

Expansion / Connectivity
Connections 1 x storage - ATA-100 - 44 pin IDC
Compatible Bays 1 x internal - 2.5" Slim Line