Seagate Momentus Thin 500GB 5400 RPM SATA 3.0Gb/s Laptop Hard Drive ST500LT012. Seagate meets the current and future demands of high-performance, power embedded computing, making it ideal for communications, transaction terminal, interactive client, industrial automation applications, as well as for standard home use.

Specifications:

Manufacturer: Seagate   
Series: Momentus Thin
Model: ST500LT012
Compatible Part Number: 9WS142-188
Capacity: 500GB
Rotation Speed: 5400rpm
Platter Size: 2.5"
Transfer Rate (Serial ATA): 3Gb/s (Max)
Form Factor: 100x69.8x7 mm