Passport portable USB 2.0 hard drive 40 GB, 5400 RPM, 2 MB Cache
Western Digital Passport Portable (Silver) 40 GB USB 2.0 Hard Drive, 40 GB, 2.5", 2.0, 5400 RPM
Western Digital Passport Portable (Silver) 40 GB USB 2.0 Hard Drive. Hard drive capacity: 40 GB, Hard drive size: 2.5". USB version: 2.0. Hard drive speed: 5400 RPM