WD Blue The original. WD Blue drives are designed and manufactured with the proven technology found in WD’s original award-winning desktop and mobile hard drives. WD quality. Built to the highest standards of quality and reliability, these drives offer the features and capacity ideal for your everyday computing needs. More options. These drives are available in a broad range of capacities, cache sizes, form factors and interfaces so you can be sure there’s a drive that’s the perfect fit for your system, in more ways than one. WD Caviar Blue 1 TB SATA Hard Drives ( WD10EZEX) 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 Transfer Rate (Buffer To Disk) 150 MB/s (Sustained) Physical Specifications Formatted Capacity 1,000,204 MB Capacity 1 TB User Sectors Per Drive 1,953,525,169 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) 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 1.20 Watts Sleep 1.20 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.