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WD Red NAS Hard Drive WD40EFAX - Hard drive - 4 TB - internal - 3.5" - SATA 6Gb / s - 5400 rpm - buffer: 256 MB
WD Red NAS Hard Drive WD40EFAX - Hard drive - 4 TB - internal - 3.5" - SATA 6Gb / s - 5400 rpm - buffer: 256 MB
Manufacturer
•WESTERN DIGITAL
Reference
•WD40EFAX
Article
•1688626
Intrastat
•84717050
Shipping weight
•0.57 kg
Total quantity in stocks
•30
Nearest delivery
•16.03.2026
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
Drive Transfer Rate
600 MBps (external)
Internal Data Rate
150 MBps
Spindle Speed
5400 rpm
MTBF
1,000,000 hours
24x7 Operation
Yes
Non-Recoverable Errors
1 per 10^14
Load / Unload Cycles
600,000
Interfaces
1 x SATA 6 Gb/s
Compatible Bay
3.5"
Power Consumption
4.5 Watt (read) ¦ 4.5 Watt (write) ¦ 3.3 Watt (idle) ¦ 0.4 Watt (sleep) ¦ 0.4 Watt (standby)
Compliant Standards
RoHS 2011/65/EU
Service & Support
Limited warranty - 3 years
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