WD Caviar Black 2 TB SATA Hard Drives performance Specifications Rotational Speed7,200 RPM (nominal) Buffer Size 64 MB Average Latency 4.20 ms (nominal) Load/unload Cycles 300,000 minimum transfer Rates Buffer To Host (Serial ATA) 6 Gb/s (Max) Physical Specifications Formatted Capacity 2,000,398 MB Capacity 2 TB Interface SATA 6 Gb/s User Sectors Per Drive 3,907,029,168 Physical Dimensions English Height 1.028 Inches Depth 5.787 Inches Width 4.00 Inches Weight 1.66 Pounds Metric Height 26.1 mm Depth 147 mm Width 101.6 mm Weight 0.75 kg Environmental Specifications shock Operating Shock (Read) 30G, 2 ms Non-operating Shock 300G, 2 ms Acoustics Idle Mode 29 dBA (average) Seek Mode 0 34 dBA (average) Seek Mode 3 30 dBA (average) Temperature (English) Operating 32 ° F to 140 ° F Non-operating-40 ° F to 158 ° F Temperature (Metric) Operating-0 ° C to 60 ° C Non-operating-40 ° C to 70 ° C Electrical Specifications Current Requirements power Dissipation Read/Write 10.70 Watts Idle 8.20 Watts Standby 1.30 Watts Sleep 1.30 Watts
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