Seagate Cheetah 73.4GB HDD, 73.4 GB, 10000 RPM, 8 MB, 3.5", SCSI Seagate Cheetah 73.4GB HDD. HDD capacity: 73.4 GB, HDD speed: 10000 RPM, Storage drive buffer size: 8 MB, HDD size: 3.5", Interface: SCSI