Western Digital Se WD4000F9YZ 4TB 7200RPM SATA3-SATA 6.0 Gb-s 64MB Enterprise Hard Drive (3.5 inch)

Specifications

• Mfr Part Number: WD4000F9YZ
• Capacity: 4 TB
• Rotational Speed: 7200 RPM 
• Cache: 64 MB
• Interface: SATA 6 Gb/s
• Data Transfer Rate (Max):
  • Buffer to Host: 6 Gb/s
  • Host to/from Drive (Sustained): 171 MB/s
• Shock:
  • Operating: 65Gs @ 2ms (read); 30Gs @ 2ms (read/write)
  • Non-operating: 300Gs @ 2ms
• Acoustics:
  • Idle Mode: 31 dBA
  • Seek Mode: 34 dBA (average)
• Power Management:
  • Sequential Read: 9.5 Watts
  • Sequential Write: 9.1 Watts
  • Random Read/Write: 9.5 Watts
  • Idle: 8.1 Watts
• Form Factor: 3.5 inch
• MTBF: 800,000 hours
• Dimensions (WxLxH): 4.000 x 5.787 x 1.028 inch / 101.6 x 147.0 x 26.1 mm
• Weight: 1.66 lbs / 0.75 kg
• RoHS Compliant