WD Black Maximum performance. Sophisticated performance enhancing features deliver the speed you need for demanding applications like photo and video editing and Internet gaming. No compromises. High performance, high capacity, high reliability, and cutting-edge technology make up WD Black, the ideal drive for those who demand only the best. Industry-leading warranty. WD Black carries the highest available warranty protection on the market, a 5-year limited warranty. WD Caviar Black 500 GB SATA Hard Drives ( WD5003AZEX) Product Specifications Interface SATA 6 Gb/s Performance Specifications Rotational Speed 7,200 RPM (nominal) Buffer Size 64 MB Load/unload Cycles 300,000 minimum Transfer Rates Buffer To Host (Serial ATA) 6 Gb/s (Max) Physical Specifications Formatted Capacity 500,107 MB Capacity 500 GB User Sectors Per Drive 976,773,168 Physical Dimensions English Height 1.028 Inches Depth 5.787 Inches Width 4.00 Inches Weight 0.97 Pounds Metric Height 26.1 mm Depth 147 mm Width 101.6 mm Weight 0.44 kg Environmental Specifications Shock Operating Shock (Read) 30G, 2 ms Non-operating Shock 350G, 2 ms Acoustics Idle Mode 29 dBA (average) Seek Mode 0 30 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 6.80 Watts Idle 6.10 Watts Standby 0.80 Watts Sleep 0.80 Watts As used for storage capacity, one megabyte (MB) = one million bytes, one gigabyte (GB) = one billion bytes, and one terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment. As used for buffer or cache, one megabyte (MB) = 1,048,576 bytes. As used for transfer rate or interface, megabyte per second (MB/s) = one million bytes per second, megabit per second (Mb/s) = one million bits per second, and gigabit per second (Gb/s) = one billion bits per second.