Western Digital WD400EB / WD400EB-11JEF0 40Gb 5400Rpm 2Mb Cache ATA-100 IDE/EIDE 3.5-Inch Internal Hard Drive

WD Pro© 5400 hard drives offer the quality, reliability and service you expect from WD hard drives

WD400EB Specifications

Technical Information

• 
  Storage Capacity:
  
  40 GB

Drive Performance

• 
  Maximum External Data Transfer Rate:
  
  100 MBps (800 Mbps)
• 
  Maximum Internal Data Transfer Rate:
  
  74.2 MBps (593.5 Mbps)
• 
  Rotational Speed:
  
  5400 rpm
• 
  Buffer:
  
  2 MB
• 
  Average Seek Time:
  
  20 ms
• 
  Average Latency:
  
  5.35 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″
• 
  Weight (Approximate):
  
  1.32 lb

Miscellaneous

• 
  Additional Information:
  
• Data Lifeguard: WD’s exclusive hardware, software and services designed to protect your data.