30GB 2.5"
30.0GB IDE hard disk drive - 4,200 RPM, 2.5in form factor, 9.5mm thick.
HP 30GB 2.5", 30 GB, 4200 RPM, 3.5", IDE/ATA
HP 30GB 2.5". Hard drive capacity: 30 GB, Hard drive rotational speed: 4200 RPM, Hard drive size: 3.5", Standard connectivity: IDE/ATA