Specifications: Category Fujitsu HardDrive Sub-Category 10K Generation Ultra320 Part Number MAP3735NP Products ID 456473 Hot Swap Tray Not Included Capacity 72.8GB Height 1.0 inch/2.54cm Width 4.0 inch/10.16cm Interface Ultra320 SCSI Data Transfer Rate 320MB/s Seek Time Single Track 0.55ms Seek Time Average 4.9ms Seek Time Full Stroke 10.0ms Rotational Speed 10K Bytes/Sector 512 Manufacturer Fujitsu Application Server Storage Backward Compatability U2 and U3 Speeds Pre-Failure Warranty Yes Data Storage Device Type SAS (Server Attached Storage) Hard Drive Device Type Hard drive for server/storage unit