Designed with top-of-the-line notebook computers in mind, this high performance drive delivers the capacity and speed needed to supercharge a notebook PC without compromising battery life or quiet acoustics. Features like these also make this drive an outstanding option for compact desktops, external hard drives, gaming systems, and blade servers. Desktop-class performance for notebook computers - With 7200 RPM spin speed, 16 MB cache, and capacities up to 320 GB, these drives enable you to have the best of both worlds: the capacity and performance of a desktop PC with the convenience and portability of a notebook. * WD's ShockGuard™ technology protects the drive mechanics and platter surfaces from shocks during shipping and handling and in daily operation. Tested for compatibility - We perform tests on hundreds of systems and a multitude of platforms in our FIT Lab™ and Mobile Compatibility Lab to give WD customers confidence that our drives will work in their systems.
Performance Specifications
Rotational Speed 7,200 RPM (nominal) Buffer Size 16 MB Average Latency 5.50 ms (nominal) Seek Times Read Seek Time 12.0 ms Track-To-Track Seek Time 2.0 ms (average) Transfer Rates Buffer To Host (Serial ATA) 3 Gb/s (Max) Physical Specifications Formatted Capacity 320,072 MB Capacity 320 GB Interface SATA 3 Gb/s Physical Dimensions English Height 0.374 Inches ±0.008 inch Length 3.94 Inches ±0.010 inch Width 2.75 ±0.010 inch Weight 0.22 Pounds Physical Dimensions Metric Height 9.5 mm ±0.20 mm Length 100 mm ±0.2 mm Width 69.85 ±0.25 mm Weight 99 gm Environmental Specifications Acoustics Idle Mode 22 dBA (average) Seek Mode 0 25 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 Humidity Operating 8-90% RH non-condensing Non-operating 5-95% RH non-condensing Altitude (English) Operating -1,000 feet to 10,000 feet Non-operating -1,000 feet to 40,000 feet Altitude (Metric) Operating -305M to 3,050M Non-operating -305M to 12,200M Vibration Operating 0.00459 g²/Hz (10 to 500 Hz) Non-operating 0.05102 g²/Hz (10 to 500 Hz) Electrical Specifications Current Requirements 5 VDC Read/Write 500 mA Idle 400 mA Standby 50 mA Sleep 30 mA Power Dissipation Read/Write 2.50 Watts Idle 0.85 Watts Standby 0.25 Watts Sleep 0.15 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, and gigabit per second (Gb/s) = one billion bits per second. |
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24 Keewaydin Dr. Salem, NH 03079 Tel: 603-898-7750 | Fax: 603-898-6585
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