MCM Electronics

Western Digital Black 250GB 2.5" Desktop Hard DriveMCM Part #: 83-12734  |  Western Digital Part #: WD2500BEKT

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Get desktop-class performance for your notebook computer with this fast and efficient hard drive.

Product Description

  • Capacity: 250GB
  • 7200 RPM
  • 16MB cache
  • SATA 3Gb/s interface
  • 5400 RPM-equivalent power consumption
Specifications
Performance Specifications
Rotational Speed 7,200 RPM (nominal)
Buffer Size 16 MB
Average Latency 4.20 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 250,059 MB
Capacity 250 GB
Interface SATA 3 Gb/s
Physical Dimensions Height- 0.374 Inches
Depth- 3.94 Inches
Width- 2.75 Inches
Weight- 0.22 Pounds
Environmental Specifications
Shock Operating Shock (Read)- 350G, 2ms
Non-operating Shock- 1000G, 2 ms
Acoustics Idle Mode- 22 dBA (average)
Seek Mode 0- 25 dBA (average)
Temperature Operating- 32° F to 140° F
Non-operating- -40° F to 158° F
Humidity Operating- 8% to 95% Non-condensing
Non-operating- 5-95% RH non-condensing
Altitude Operating- -1,000 feet to 10,000 feet
Non-operating- -1,000 feet to 40,000 feet
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, megabit per second (Mb/s) = one million bits per second, and gigabit per second (Gb/s) = one billion bits per second.

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Package Specifications & Dimensions
Weight:0.511 lbs.
Hazardous:No
RoHS Comp:No
Warranty:365 days
Need to Return?
Length:7.5 in.
Width:6.75 in.
Height:3 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages
Catalog/Page:

MCM Cat 57, Page 363

MCM Cat 56, Page 337

PDF Reference
Datasheet

Requires Adobe Acrobat Reader.

Mfr. Info

Western Digital Logo
Mfr. Name:Western Digital
Mfr. Part Number:WD2500BEKT