The triple-interface Mercury On-The-Go Pro drive features two FireWire 800 ports, a USB 2.0 Mini-B port, and FireWire 800/800-to-400 and USB 2.0 connecting cables. Featuring an Oxford 934 chipset, this model costs US$240.

A Combo Interface option offers a FireWire 400 port and USB 2.0 Mini-B port, along with the Oxford 934 chipset; it costs $220. The third model, priced at $190, features a USB 2.0 interface and a JMicron 20339 chipset.

All three Mercury On-The-Go Pro models are 3.5-by-5.5-by-1 inches and fit in a shirt pocket. Bundled software for Mac users includes Carbon Copy Cloner and Prosoft Engineering Data Backup 3.

The latest drives complement OWC's existing line of 5,400-rpm Mercury On-The-Go Pro models, which come in capacities of 80GB to 500GB, and the 250GB and 320GB versions of its 7,200-rpm drives.--