500GB WD 3.5″ SATA-3Gb/s 7200rpm 8MB DVR,

Capacity: 500GB
Speed: 5,400RPM
Interface Types: SATA
Form Factor: 3.5inx1.0in LFF Hard Drive
Sector Size: 512 / 512e
Sustained Throughput: 130
Average Seek Time: 3.7
Electrical Interface: SATA 300 – 3.0Gbps
On-Board Cache: 8MB