Brand Western Digital Item model number WDBCPZ0020HAL Product Type Hard Drive Capacity 2TB Product Specifications Interface : USB 3.0 and USB 2.0 Performance Specifications Serial Transfer Rate USB 3.0 : Serial Bus Transfer Rate (USB 3.0) 5 Gb/s (Max) USB 2.0 : Serial Bus Transfer Rate (USB 2.0) 480 Mb/s (Max) Physical Specifications Capacity : 2 TB Physical Dimensions English Height 6.50 Inches Depth 5.3 Inches Width 1.9 Inches Weight 2.37 Pounds Metric Height 165 mm Depth 135 mm Width 48.0 mm Weight 1.08 kg Environmental Specifications Temperature (English) Operating 41° F to 95° F Non-operating -4° F to 149° F Temperature (Metric) Operating 5° C to 35° C Non-operating -20° C to 65° C Electrical Specifications Current Requirements Power Dissipation AC Input Voltage 100-240 VAC AC Input Frequency 47-63 Hz