Western Digital Passport 80GB Portable USB Drive 5400 RPM 2.5... - 80GB Passport 2.5 USB Drive - more info - Special Edition Caviar 320 GB, 7200 RPM Internal Hard Drive with 8MB Buffer,3.5in. diameter, EIDE, Ultra ATA/100... - 320GB 7,200RPM 8MB Buffer - Western Digital Serial ATA SATA II, SE 3.5 Internal Hard Drive 320GB, 7200 RPM, 8MB Cache... - 320GB SATA II 7200 RPM 8MB -