Seagate HD Atlas 10K III 36GB U320 68pin 10krpm, 36.7 GB, 10000 RPM, 8 MB, 3.5", SCSI Seagate HD Atlas 10K III 36GB U320 68pin 10krpm. Hard drive capacity: 36.7 GB, Hard drive rotational speed: 10000 RPM, Storage drive buffer size: 8 MB, Hard drive size: 3.5", Interface: SCSI