WD Red 4TB 3.5" SATA NAS Hard Drive
Finance from £9.25 a month. (14.9% APR) representative.

£ 102.99  inc. vat

£ 85.82 ex. vat

WD Red 4TB 3.5" SATA NAS Hard Drive

QuickFind: 951140 Mfr part code: WD40EFAX
  • Optimised for use in 1-5 bay NAS enclosures
  • NASware technology provides 24x7 performance
  • SATA-III 6Gb/s interface / 256MB Cache
  • 3 Year Warranty

Product Description

WD Red 4TB 3.5" SATA NAS Hard Drive

Technical Specification

WD Red 4TB 3.5" SATA NAS Hard Drive

General

Device Type Hard drive - internal
Capacity 4 TB
Form Factor 3.5"
Interface SATA 6Gb/s
Buffer Size 256 MB
Features Native Command Queuing (NCQ), Advanced Format technology, NAS compatible, NASware technology, 24x7 availability
Width 101.6 mm
Depth 147 mm
Height 26.1 mm
Weight 570 g

Performance

Drive Transfer Rate 600 MBps (external)
Internal Data Rate 150 MBps
Spindle Speed 5400 rpm

Reliability

MTBF 1,000,000 hours
24x7 Operation Yes
Non-Recoverable Errors 1 per 10^14
Load / Unload Cycles 600,000

Expansion & Connectivity

Interfaces 1 x SATA 6 Gb/s
Compatible Bay 3.5"

Power

Power Consumption 4.5 Watt (read) ¦ 4.5 Watt (write) ¦ 3.3 Watt (idle) ¦ 0.4 Watt (sleep) ¦ 0.4 Watt (standby)

Miscellaneous

Compliant Standards RoHS 2011/65/EU

Manufacturer Warranty

Service & Support Limited warranty - 3 years

Environmental Parameters

Min Operating Temperature 0 °C
Max Operating Temperature 65 °C
Min Storage Temperature -40 °C
Max Storage Temperature 70 °C
Shock Tolerance (operating) 30 g @ 2 ms
Shock Tolerance (non-operating) 250 g @ 2 ms

Product Reviews

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WD Red 4TB 3.5" SATA NAS Hard Drive

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WD Red 4TB 3.5" SATA NAS Hard Drive

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£ 102.99  inc. vat

£ 85.82 ex. vat

Finance from £9.25 a month. (14.9% APR) representative.
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