OWC continues to like to see how many directions it can go with its line of Mercury On-The-Go external hard drives. To that end it just announced what it is calling the highest capacity 7200RPM portable bus-powered storage solution on the market – the OWC Mercury On-The-Go 320GB 7200RPM.

The OWC Mercury On-The-Go 320GB 7200RPM, available with USB 2.0, USB 2.0+eSATA, FireWire 400+USB 2.0, and FireWire 800/400+USB 2.0 interfaces for a variety of prices starting around $240, offers what OWC says is 60% higher capacity to similar products. It is described as offering “3.5″ desktop hard drive performance in a 2.5″ solution.”

Features of this new OWC external hard drive include Mac/PC cross usage, bundled backup software and an included carrying case. It is available now.

OWC Mercury On-The-Go