Western Digital Red WD40EFRX 4TB IntelliPower SATA3/SATA 6.0 GB/s 64MB Hard Drive (3.5 inch)

Specifications

• Mfr Part Number: WD40EFRX
• Capacity: 4 TB
• Rotational Speed: IntelliPower
• Cache: 64 MB
• Interface: SATA 6Gb/s
• Max Data Transfer Rate:
  • Buffer to Host: 6 Gb/s
  • Host to/from Drive (Sustained): 150 MB/s
• Shock:
  • Operating: 30Gs @ 2ms (read/write); 65Gs @ 2ms (read)
  • Non-operating: 250Gs @ 2ms
• Acoustics:
  • Idle Mode: 25 dBA
  • Seek Mode: 28 dBA (average)
• Power Management:
  • 12VDC ±10% (Peak): 1.75 A
  • Read/Write: 4.5 Watts
  • Idle: 3.3 Watts
  • Standby: 0.4 Watts
  • Sleep: 0.4 Watts
• Form Factor: 3.5 inch
• MTBF: 1,000,000 hours
• Dimensions (WxLxH): 4.000 x 5.787 x 1.028 inch / 101.6 x 147.0 x 26.1 mm
• Weight: 1.5 lbs / 0.68 kg
• RoHS Compliant

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