Western Digital WD Red 4TB, SATA 6Gb/s (WD40EFAX)

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Article no.: SW15181
Manufacturer no.: WD40EFAX
Manufacturer name: WD

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shape factor 3.5" Speed 5400rpm cache 256MB Power consumption 4.8W (operation),... more

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Product information (Specification) "Western Digital WD Red 4TB, SATA 6Gb/s (WD40EFAX)"

shape factor3.5"

Speed5400rpm

cache256MB

Power consumption4.8W (operation), 3.1W (idle)

Volume27dB(A) (operation), 23dB(A) (idle)

Recording processShingled magnetic Recording (SMR), Drive Managed SMR

Sectors4KB with emulation (512e)

Reliability prediction1 Mio. hours (MTBF)

Data protection featuresnot available

Special featuressuitable for continuous operation

Warrantythree years

NoteNot labelled OEM/system builder-hard drives in circulation. Reduced warranty possible. warranty via the serial number checkable.

ImportantFor use within a RAID array, do not combine hard drives with different recording methods (CMR, SMR). When using hard disks with SMR in a RAID array, make sure that the RAID controller (or NAS system) is compatible with SMR hard disks so that the partially blocked recording behavior with SMR is not mistakenly interpreted as a "hardware defect".

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