Hitachi 2.5" Travelstar 4K40 40GB, 4200ot, 12ms, 2MB, 9.5mm

Compact and thin disk 2,5 "in notebooks, 40 GB, Ultra ATA interface 100 and low profile 9.5 mm.It is characterized by high reliability, silent operation and 2 MB buffer.Of course they are fluid bearings to reduce noise and vibration and life.
And specifications:
Capacity:40 GB
The speed of rotation plating:4200 rpm
Fluid Dynamic Bearing (FDB)
Height:9th5 mm
Access time:12 ms
Interface:Ultra DMA 100
Maximum speed:100 MB / sec
Buffer:2 megabytes
Dimensions:9.5 x 70 x 100 mm
Weight:99 grams