OWC 2.5" On-The-Go Pro External Hard Drive (250 GB)

The OWC On-The-Go Pro External Hard Drive (250 GB) offers an all-round storage solution, and comes with a SATA interface, 8 MB data buffer, 5400 RPM rotational speed, and an Oxford 943 FireWire/USB chipset. In addition, the hard drive offers an MTBF (Mean Time Between Failure) rating of 1,200,000 hours.