0A50936 Hitachi Travelstar 80GB 7.2K RPM 8MB Buffer 2.5 Inch SATA 300 Notebook Hard Drive. New Pull.

Specification
Form Factor 2.5" x 1/8H 
Capacity 80 GB 
Interface Type Serial ATA-150 
Buffer Size 8 MB 
Features TrueTrack servo technology, Thermal Flyheight Control (TFC), Bulk Data Encryption 

Performance
Drive Transfer Rate 150 MBps (external) / 110 MBps (internal) 
Seek Time 10 ms (average) / 18 ms (max) 
Track-to-Track Seek Time 1 ms 
Average Latency 4.2 ms 
Spindle Speed 7200 rpm 

Reliability
Start / Stop Cycles 600,000 

Expansion / Connectivity
Interfaces 1 x Serial ATA-150 - 7 pin Serial ATA 
Compatible Bays 1 x internal - 2.5" x 1/8H