New, never used, ready to install, original tags and box. Signed Seagate Cheetah Ultra 3 SCSI Drive, model ST318305LC, 36.7GB, 10 000 RPM, 80 PIN, 3.5 inches hard disk drive. Compatible with both SCSI and SCSI Ultra 320 interfaces. Dimensions: 5 3/4 X 4 X 1 inches. Serials may differ from photos since we have 4 for sale, same new condition.