Seagate HD Atlas 10K III U320 36GB 80Pin 10.000rpm 5 Year Warranty 20pk bulk, 36.7 GB, 10000 RPM, 8 MB, 3.5", SCSI Seagate HD Atlas 10K III U320 36GB 80Pin 10.000rpm 5 Year Warranty 20pk bulk. HDD capacity: 36.7 GB, HDD speed: 10000 RPM, Storage drive buffer size: 8 MB, HDD size: 3.5", Interface: SCSI