Western Digital 4TB Red NAS 3.5 inch Internal Hard Drive

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    Western Digital 4TB Red NAS 3.5 inch Internal Hard Drive

    Availability 10

    Jigsaw Code: X532AAI
    Manufacturer Code: WD40EFRX

    • Hard Drive Interface: SATA III
    • Form Factor: Desktop
    • Hard Drive Size: 3.5 inch

    Platform:  cross platform cross platform

    Availability:  10

    £154.00£184.80 incVAT

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    WD RED is the only hard drive designed for NAS systems that have 1-5 drive bays. The drives are designed and extensively tested for compatibility in the unique 24x7 operating environment and demanding system requirements of home and small office NAS, over and above the performance and reliability of desktop-grade hard drives.

    This 4TB WD40EFRX model features maximum storage capacity in a 3.5" form factor and the latest SATAIII 6Gbs connection for universal connectivity in NAS and desktop applications. Specifically designed and tested for small office and home office, 1-5 bay NAS systems, small media servers and PCs with RAID, WD RED is the go-to for small businesses NAS requirements.


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    General Information

    Model name
    WD Red
    Form Factor


    Total Capacity
    Storage Type
    Hard Drive Size
    3.5 inch
    Hard Drive Interface
    Storage Speed
    Hard drive cache (MB)
    Data Transfer Rate

    Physical Description

    Weight (kg)
    H 26.1mm W 101.6mm D 147mm


    3 Year limited manafacturing warranty
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    29th September 2014

    Which drive is right for you?

    If you’re not sure whether you need an SSD or HDD, are wondering which level of RAID protection you need, or even just want some help telling all the small, grey boxes apart, take a look at our guide. We’ll cover off key considerations and the worst of the acronyms, so you can shop with confidence.