Other World Computing (OWC) today announced immediate availibility of its first 100GB Mercury On-The-Go portable storage solutions. The 5400RPM drive features 8MB of cache and is available with either a FireWire only interface or with both FireWire and USB interfaces. The IEEE1394/iLink-compliant FireWire interface on the 100GB On-The-Go solution supports both a powered (6-pin) and an unpowered (4-pin) port. Conversely, the USB interface on the combination FireWire/USB 100GB On-The-Go external hard drive supports both USB v2.0 and v1.1. Weighing 11 ounces and measuring 3.5 x 5.5 x 1.0-inches, the Mercury On-The-Go drive features a shock-protective design, a blue activity LED, near-silent operation and multiple connecting ports. Pricing starts at US$320.