WD Caviar WD400BB / 7J322 40.0 GB 7200RPM 2MB 40Pin Ultra DMA-2/ATA-100(IDE/EIDE) Hard Drive

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

WD400BB Specifications

Technical Information

• 
  Storage Capacity:
  
  40 GB

Drive Performance

• 
  Maximum External Data Transfer Rate:
  
  100 MBps (800 Mbps)
• 
  Maximum Internal Data Transfer Rate:
  
  50 MBps (400 Mbps)
• 
  Rotational Speed:
  
  7200 rpm
• 
  Buffer:
  
  2 MB
• 
  Average Seek Time:
  
  20 ms
• 
  Average Latency:
  
  4.20 ms

Interfaces/Ports

• 
  Drive Interface:
  
  IDE Ultra ATA/100 (ATA-6)

Power Description

• 
  Input Voltage:
  
  5 V DC
• 
  Input Voltage:
  
  12 V DC

Physical Characteristics

• 
  Drive Type:
  
  Internal
• 
  Drive Width:
  
  3.5″
• 
  Drive Height:
  
  1/3H
• 
  Height:
  
  1.0″
• 
  Width:
  
  4.0″
• 
  Depth:
  
  5.8″

Miscellaneous

• 
  System Requirements:
  
• Interface required: EIDE
• Bay size (Internal): 3.5″ full height
• 
  Compatibility:
  
• PC