WD Scorpio Blue drives offer high-performance, low power consumption, and cool operation, perfect for notebooks and other portable devices. Pick the drive that suits your needs with the confidence in knowing that all WD Scorpio Blue drives are built to the highest standards of quality and reliability.
Specifications:

• Form Factor: 
  - 2.5"
• Interface: 
  - SATA 3.0Gb/s
• Capacity: 
  - 500 GB 
  - 976,773,168 Sectors
• Cache: 
  - 8MB
• Drive Latency 
  - 5.5 msec
• Data Transfer Rate: 
  - 108-MB/s maximum Buffer to Disk 
  - 300 MB/s maximum Buffer to Host
• Rotational Speed: 
  - 5400 rpm