The OWC Mercury On-The-Go FireWire + USB 2.0 storage drives with 500-Gbyte capacity are fully bus powered without the need of any external power or secondary power cable.
The palm-sized drive fits in a shirt pocket and is compatible with virtually all computers with an available FireWire or USB port, including all Macs and PCs. The drives work with all FireWire and USB gadgets such as digital cameras and camcorders, for portable storage to safely store digital information on the road. Other size drives are available starting at 40 Gbytes.
Other World Computing
2650 Bridge Lane
Woodstock, IL 60098