Detailed information of this hard drive: 1.Part number:507127-b21 2.Interface:serial attached scsi 2 3.Capacity:300 gb 4.Form factor:2.5" sff 5.Spindle speed:10000 rpm 6.Data transfer rate:600 mbps 7.Dimensions:3.1 in x 5.4 in x 0.6 in 8.Manufacturer warranty: 3 years warranty. New retail packaging