20 Pack WD Caviar® 7200 hard drives are the performance champions for advanced desktop personal computers.

General Information
Manufacturer	Western Digital Corporation
Manufacturer Part Number	WD2000BB
Manufacturer Website Address	www.wdc.com
Product Line	Caviar
Product Name	Caviar High-Performance Hard Drive
Marketing Information	WD Caviar® 7200 hard drives are the performance champions for advanced desktop personal computers.
Packaged Quantity	1
Technical Information
Storage Capacity	200GB
Heads	6 Physical 16 Logical
Cylinders	16383
Bytes Per Sector	512
Sectors Per Track	63
User Sectors Per Drive	390721968
Actuator Type	Rotary VCM
Servo Type	Embedded
Drive Performance
Data Transfer Rate	100MBps External 92MBps Internal
Rotational Speed	7200 rpm
Seek Time	2.0 ms Track-to-Track 8.9 ms Average Read 10.9 ms Average Write
Latency	4.2 ms Average
Buffer	2MB
Start/Stop Cycles	50000
Interfaces/Ports
Interfaces/Ports	1 x 40-pin IDC Ultra ATA IDE/EIDE
Reliability
Shock Tolerance	20Gs @ 2 ms Operating 200Gs @ 2 ms Non-operating
Vibration Tolerance	0.75Gs 20 Hz to 300 Hz Operating 4.0Gs 20 Hz to 500 Hz Non-operating
Data Error Rate	< 1/10E14 bits Read Non-recoverable
Power Description
Input Voltage	5 V DC to 12 V DC
Power Consumption	7.5W
Environmental Conditions
Temperature	41 °F (5 °C) to 131 °F (55 °C) Operating -40 °C (-40 °F) to 65 °C (149 °F) 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
Sound Emission	35 dB(A) Idle 37 dB(A) Seek Mode 0 36 dB(A) Seek Mode 3
Physical Characteristics
Form Factor	Internal
Dimensions	1.028" Height x 4.00" Width x 5.787" Depth
Shipping Dimensions	6" Height x 10" Width x 8" Depth
Weight	1.32 lb
Shipping Weight	1.7 lb
Miscellaneous
Additional Information	Data Lifeguard: WD's exclusive hardware, software and services designed to protect your data.
Compatibility	PC
Warranty
Standard Warranty	1 Year(s) Limited