Good deal for an external 3.5" here from ebuyer express.
Interface Transfer Rate: 480 Mbps
Spindle Speed: 7200 rpm
Form Factor: 3.5"
Capacity: 1.5 TB
Interface Type: Hi-Speed USB
OS Required: Apple MacOS X 10.4.8 or later, Microsoft Windows Vista / XP
Power Source: Included AC adapter
Power Device: Power adapter
Cables Included: 1 x USB cable
Works with Windows Vista: Software and devices that carry the Works with Windows Vista logo have been tested for baseline compatibility with PC's running.
Package Type: Retail
Service & Support: 2 years warranty
Service & Support Details: Limited warranty - 2 years
Interfaces: 1 x Hi-Speed USB
Device Type: Hard drive - external
Width: 12.6 cm
Depth: 20.7 cm
Height: 4 cm
Weight: 1.02 kg
Localisation: Middle East, Africa, Europe