WD 2.5" My Passport Studio 640GB

Top External Drive Western Digital My Passport Studio is ideal for transferring large data files. The size of storage space is full 640 gigabytes The disc features high-speed USB interface and very fast FireWire 800, which as the name suggests, manages the data transfer speeds up to 800 Mbit per second.
The great advantage is also its very low weight. Drive weighs only 180 grams, thanks to its small size fits into almost any pocket. The disk was designed for use with Mac computers and laptops, it can of course simply use the Windows operating system. External Hard Drive is powered directly from USB or FireWire interface.
The package includes USB and FireWire cables.
Specifications:
Disc Format: External 2.5 "
Capacity:
640 gigabytes
Cache:
8 megabytes
Number of turns:
5400 rpm
Average seek time:
12 ms
Interface:
USB 2.0 (480 Mbits/sec)
FireWire 400 (400 Mbits/sec)
FireWire 800 (800 Mbits/sec)
Dimensions:
126.7 x 81 x 18 mm
Weight:
180 g
Supported Operating Systems:
Microsoft Windows 2000/XP/Vista
Apple Mac OS X 10.4.11 and higher, 10.5.2 and higher
Package Contents:
External Hard Drive 2.5 "My Passport Studio 640 gigabytes
USB 2.0 cable
FireWire cable
Installation Guide