Main Features Storage Capacity 1TB Interface SATA III 6Gb/s Basic Information Voltage +5V / +12V Performance Cache 64MB Data Transfer Rate Up to 150–180 MB/s Average Seek Time 8.5 ms Physical Specification Dimensions 101.6 mm × 147 mm × 26.1 mm Weight Approx. 440 grams Form Factor 3.5-inch Temperature Operating Temperature 0°C to 60°C