Hitachi Ultrastar 7K4000 Specs

• Capacities
  • 4TB - HUS724040ALE640
  • 3TB - HUS724030ALE640
  • 2TB - HUS724020ALE640
• Interface - SATA 6Gb/s
• Form Factor - 3.5-inch
• Sector size - 512e
• Max. areal density (Gbits/sq. in) - 446
• Data buffer - 64MB
• Rotational speed (RPM) - 7200
• Sustained transfer rate (typical) - 171 MB/s
• Seek time (read, typical) - 8.0ms
• Error rate (non-recoverable, bits read) - 1 in 10¹⁵
• Load/unload cycles (at 40° C) - 600,000
• Targeted MTBF - 2 million hours
• Warranty - 5 years
• Acoustics Idle (Bels, typical) - 2.9
• Startup current (A, max) - 1.2 (+5V), 2.0 (+12V)
• Read/write (W) - 11.4
• Unload idle (W) - 5.7
• Weight (typical) - 690g
• Environmental (operating) ambient temperature - 5 to 60C
• Shock (half-sine wave 2 ms) - 70G
• Vibration, random (G RMS 5 to 500 Hz) - 0.67 (XYZ)
• Environmental (non-operating) Ambient temperature: -40 to 70C
• Shock (half-sine wave 1ms) - 300G