Western Digital WD40EFRX

SKU: WD40EFRX | MFG: Western Digital

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Hard drive - 4 TB - SATA-600
WD's exclusive NASware technology, built into every WD Red hard drive, improves NAS storage performance by reducing common hard drive concerns in NAS systems including concerns for things like compatibility, integration, upgradeability, reliability and cost of ownership that are experienced with a hard drive designed for desktop computers.

  • Expansion & Connectivity
    • 3.5" x 1/3H
    • 1 x internal - 3.5" x 1/3H
    • 1 x Serial ATA-600 - 7 pin Serial ATA
  • General
    • 5.8 in
    • 24 oz
    • 3.5" x 1/3H
    • Serial ATA-600
    • 64 MB
    • 4 TB
    • Hard drive - internal
    • IntelliPower, Advanced Format technology, NAS compatible, NASware technology, 3D Active Balance Plus , S.M.A.R.T.
    • 4 in
    • 1 in
  • Reliability
    • 600,000
    • 1,000,000 hour(s)
    • 1 per 10^14
    • 600,000
  • MainSpecs
    • 4 TB
    • 600 MBps
    • Hard drive - internal
    • IntelliPower, Advanced Format technology, NAS compatible, NASware technology, 3D Active Balance Plus , S.M.A.R.T.
    • 4 in x 5.8 in x 1 in
    • 24 oz
    • 3 years warranty
    • WD Red WD40EFRX - hard drive - 4 TB - SATA-600
    • 3.5" x 1/3H
    • 64 MB
    • My Cloud EX2; EX4
    • Serial ATA-600
  • Power
    • 4.5 Watt ( active ) ¦ 0.4 Watt ( idle )
  • Compatibility Information
    • WD My Cloud EX2 ¦ WD My Cloud EX4
  • Environmental Parameters
    • 158 °F
    • 32 °F
    • 65 g @ 2ms (operating) / 250 g @ 2ms (non-operating)
    • 25 dBA
  • Performance
    • 150 MBps
    • 600 MBps (external)
  • Manufacturer Warranty
    • Limited warranty - 3 years
    • 3 years warranty
  • Miscellaneous
    • RoHS

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