HD WD CAVIAR XL WD3200JD 320 GB SATA/150 7200 RPM, 8MB cache

Technická specifikace:

Rotational Speed 7,200 RPM (nominal)
Buffer Size 8 MB
Average Latency 4.20 ms (nominal)
Contact Start/Stop Cycles 50,000 minimum

Seek Times (Average)
Read Seek Time (Average) 8.9 ms
Write Seek Time (Average) 10.9 ms (average)
Track-To-Track Seek Time 2.0 ms (average)
Full Stroke Seek 21.0 ms (average)

Transfer Rates
Buffer To Host (Serial ATA) 1,200 Mbits/s (Max)
Buffer To Disk 748 Mbits/s (Max)