External Hard drive 120GB

Portable External Harddrive 120gb
Hard Drives with simple to use, light and easy to carry, and require no power adapter - they are powered directly through the USB cable. This Western Digital WD Passport Portable WDXMS1200.
Installation is a snap because you don't really "install" this drive; you just plug it in and it's ready to use. There is no CD to install; the included software loads from the drive the first time you plug it in. Powered by the USB bus, so no separate power supply needed. This ultra-portable drive fits easily in your pocket or purse, weighs only a few ounces and holds tons of valuable data.
Specification:
Capacity: 120 GB
Interface: Hi-Speed USB
Rotational Speed: 5400 rpm
Access Time: 12 ms
System Type: PC, Mac
Average Latency: 5.5 ms
Additional Features: Fluid Dynamic Bearing (FDB) motor, Data Lifeguard
Compliant Standards: RoHS
Dimension: 0.6 in x 3.1 in x 5.1 in(HxWxD)

External Hard drive

Extrenal Harddrive 500GB
Small, simple, elegant, and very easy to use. Just plug this drive in, and you've got plenty of room to back up and save your valuable data, music, photos, and movies.
This Western Digital My Book Essential Edition WDG1U5000
Capacity: 500 GB
Interface: Hi-Speed USB
Rotational Speed: 7200 rpm
Access Time: 8.9 ms
Type of Drive: External
System Type: PC, Mac
Average Latency: 4.2 ms
Compliant Standards: RoHS