Brand Western Digital Model WD AV UPC 718037752433 Key Features Enclosure Internal Capacity 500GB Buffer Size 32MB Spindle Speed 5400RPM Interface SATA III Designation Desktop Computer Technical Features Platform PC External Data Transfer Rate 300Mbps Form Factor 3.5" Hot Swap Yes Dimensions Height 1.03 in. Width 4 in. Depth 5.79 in. Weight 1.39 lbs