Seagate Desktop HDD Barracuda 7200.7 120GB 2Mb (ST3120022A), 120 GB, 7200 RPM, 2 MB, Ultra-ATA/100 Seagate Desktop HDD Barracuda 7200.7 120GB 2Mb (ST3120022A). HDD capacity: 120 GB, HDD speed: 7200 RPM, Storage drive buffer size: 2 MB, Interface: Ultra-ATA/100