Western Digital WD400BB 40GB ATA100 7200rpm 2MB Hard Drive
	Specifications: Mfr Part Number: WD400BB Capacity: 40 GB Rotational Speed: 7200 RPM Cache: 2 MB Interface: ATA-100 Max. External Transfer Rate: 100 MB/s Seek Time: Read: 8.9 ms Write: 10.9 ms (average) Track-To-Track Seek Time: 2.0 ms (average) Full Stroke Seek: 21.0 ms (average) Operating Shock (Read): 65G, 2ms; Non-operating Shock: 350G, 2 ms Fluid Dynamic Bearing (FDB) technology - Less friction means more reliability; less heat, vibration, and noise. Dimension (WxLxH): 4.00 x 5.787 x 1.028 inch