CISCO Sff Hdd ( UCS-HD1T7K12N ), FF 2.5" SFF, Form Factor (Short) (metric) 6.4 cm, Serial Attached SCSI 3, 1 TB, Data Transfer Rate 1.2 GBps, 7200 revolutions per minute, 1 x SAS 12 Gb/s, Bay 2.5" SFF. This Cisco Hard Drive 1.8 TB hard drive features a Serial Attached SCSI 3 interface for efficient connection and transfer of data.