Western Digital My Book Studio 250GB Portable USB 2.0 Hard Drive
 
Western Digital My Book Home Edition 320GB - USB 2.0 / Firewire 400 & eSata Hard drive
 
Western Digital My Book Studio 320GB FireWire 400 and USB 2.0 Portable USB 2.0 Hard Drive
 
Western Digital My Book 2 Studio Edition 320GB Firewire 400 / 800 & eSata External Hard Drive
 
Western Digital My Book Pro 320GB USB 2.0, Firewire 400 & 800 External Hard Drive