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Western Digital Caviar Hard Drive

Product Code: 10163873 Price: Check Latest General Information Manufacturer Western Digital Corporation Manufacturer Part Number WD2500JB-20PK Manufacturer Website Address www.wdc.com Product Line Caviar Product Name Caviar Hard Drive Packaged Quantity 20 Package Type Retail Technical Information Storage Capacity 250GB Heads 16 Logical 6 Physical Cylinders 16383 Platter 3 Bytes Per Sector 512 Sectors Per Track 63 User Sectors Per Drive 488397168 Actuator Type Rotary VCM Servo Type Embedded Platform Support PC Drive Performance Data Transfer Rate 737Mbps Internal Maximum 100MBps External Ultra ATA/100 (ATA-6) Rotational Speed 7200 rpm Seek Time 8.9 ms Average Read 10.9 ms Average Write 2 ms Track-to-Track Average 21 ms Full-stroke Average Latency 4.2 ms Average Buffer 8MB Start/Stop Cycles 50000 Interfaces/Ports Interfaces/Ports 1 x Ultra ATA IDE/EIDE Software Reliability Shock Tolerance 65Gs @ 2 ms Read Operating 350Gs @ 2 ms Non-operating Vibration Tolerance 0.75Gs 20 Hz to 300 Hz Operating 4Gs 20 Hz to 500 Hz Non-operating Power Description Input Voltage 5 V DC or 12 V DC Input Current 730 mA @5V DC Read/Write 680 mA @5V DC Idle 190 mA @5V DC Standby 85 mA @5V DC Sleep 430 mA @12V DC Read/Write 400 mA @12V DC Idle 20 mA @12V DC Standby 20 mA @12V DC Sleep Power Consumption 8.8W Read/Write 8.3W Idle 1.2W Standby 0.7W Sleep Environmental Conditions Temperature 41 °F (5 °C) to 131 °F (55 °C) Operating -40 °F (-40 °C) to 149 °F (65 °C) Non-operating Humidity 5 to 95% Non-condensing Relative Humidity Operating 5 to 95% Non-condensing Relative Humidity Non-operating Altitude -1000 ft to 10000 ft Operating -1000 ft to 40000 ft Non-operating -1001 ft to 10007 ft Operating -1001 ft to 40026 ft Non-operating Sound Emission 34 dB(A) Idle 36 dB(A) Seek Mode 0 35 dB(A) Seek Mode 3 Physical Characteristics Form Factor 3.5" 1/3H Internal Dimensions 1.028" Height x 4" Width x 5.787" Depth Shipping Dimensions 9.75" Height x 10.75" Width x 19.5" Depth Weight 1.32 lb Shipping Weight 30.21 lb Miscellaneous Warranty Standard Warranty 1 Year(s) Limited Parts Warranty/Labor 1 Year(s) ^Mfg. Part number: WD2500JB-20PK