MHZ2120BH Fujitsu 120 GB 5.4K RPM 8 MB Buffer From Factor 2.5 Inches SATA 150 Notebook Hard Drive. New Retail Factory Sealed With Full Manufacturer Warranty.

Specification
Form Factor 2.5" x 1/8H 
Capacity 120 GB 
Interface Type Serial ATA-300 
Buffer Size 8 MB 
Features Perpendicular Magnetic Recording (PMR) 

Performance
Drive Transfer Rate 300 MBps (external) 
Seek Time 12 ms (average) / 22 ms (max) 
Track-to-Track Seek Time 1.5 ms 
Average Latency 5.56 ms 
Spindle Speed 5400 rpm 

Expansion / Connectivity
Interfaces 1 x Serial ATA-300 - 7 pin Serial ATA 
Compatible Bays 1 x internal - 2.5" x 1/8H