Western Digital WD3200SD Caviar RE 320GB 7200RPM Serial ATA-150 3.5-Inch Internal Hard Drive

Life in a desktop computer doesn’t compare to the extreme environment in an always-on, high duty cycle RAID system. What’s needed is a drive engineered to thrive in a high-intensity RAID system while still offering traditional low cost-per-capacity desktop value. That drive is the WD Caviar RE. Designed and manufactured to enterprise-class standards, WD Caviar RE drives provide enhanced reliability in a 24×7, continuous duty cycle environment.

WD3200SD Specifications

Technical Information

• 
  Storage Capacity:
  
  320 GB
• 
  Platform Supported:
  
  PC
• 
  Platform Supported:
  
  Mac

Drive Performance

• 
  Maximum External Data Transfer Rate:
  
  150 MBps (1.2 Gbps)
• 
  Maximum Internal Data Transfer Rate:
  
  93.5 MBps (748 Mbps)
• 
  Rotational Speed:
  
  7200 rpm
• 
  Buffer:
  
  8 MB
• 
  Average Latency:
  
  4.20 ms

Interfaces/Ports

• 
  Drive Interface:
  
  SATA/150
• 
  SATA Pin:
  
  7-pin

Power Description

• 
  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:
  

  
  Vibration:
  

• 10-300 Hz, 0.004 g2/Hz Random Operating
• 5-20 Hz, 0.195 inches (double amplitude)Low Frequency Non-operating