WD Caviar SE16 native SATA hard drive features 16 MB cache for lightning-fast performance. This reliable drive is fast, but still delivers technologically advanced acoustics and cool operation.

Product Description	WD Caviar SE WD4000AAJS - hard drive - 400 GB - SATA-300
Type	Hard drive - internal
Form Factor	3.5" x 1/3H
Dimensions (WxDxH)	10.2 cm x 14.7 cm x 2.54 cm
Weight	0.63 kg
Capacity	400 GB
Interface Type	Serial ATA-300
Data Transfer Rate	300 MBps
Average Seek Time	8.9 ms
Spindle Speed	7200 rpm
Buffer Size	8 MB
Manufacturer Warranty	3 years warranty