Seagate Desktop HDD Barracuda 7200.7 SATA 120GB RK, 120 GB, 7200 RPM, 8 MB, Serial ATA Seagate Desktop HDD Barracuda 7200.7 SATA 120GB RK. HDD capacity: 120 GB, HDD speed: 7200 RPM, Storage drive buffer size: 8 MB, Interface: Serial ATA