Detail overview General Information : Manufacturer : Western Digital Manufacturer Model : WD1004FBYZ Product Type : Hard Drive Product Series : Wd Re Product Name : Wd Re WD1004FBYZ Hard Drive Key Features : Storage Capacity : 1 Tb Enclosure : Internal Drive Dimensions : 3.5 Inch User Sectors Per Drive : 1,953,525,168 Mtbf : 2,000,000 Hours Interface : Sata-6gbps Native Command Queuing : Yes Rohs Compliant : Yes Performance : Data Transfer Rate (maximum) : 6 Gbps Data Transfer Rate (sustained) : 184 Mbps Buffer : 128 Mb Rotational Speed : 7200 Rpm Physical Size : Dimensions (h X L X W) : 26.1 X 147 X 101.6 M Weight (typical) : 640 G Condition : Refurbished. Availability : In Stock. Mfg Warranty : None. Our Warranty : 30 Days.