Skip to main content
  • $279.99
  • Free 88-day Returns
  • Add to PC build list 
    Sold by Newegg

    Shipped by Newegg

    Price alert

    Best Sellers

    Hot Seller
    4.5 (3,589 total ratings)
    • $317.99
    • + FREE SHIPPING
    Top Rated
    4.3 (3,164 total ratings)
    • $323.44
    • + FREE SHIPPING
    Top Rated
    4.6 (917 total ratings)
    • $353.99
    • + FREE SHIPPING
    NAS Builder
    Newegg PC Builder
    Shop it at NeweggBusiness.

    WD Red Plus 4TB 3.5" 5400RPM SATA Internal Hard Disk Drive - WD40EFZZ

    Lowest Price
    in 30 Days
    • 2TB
    • 4TB
    • 6TB
    • 8TB
    • 10TB
    • 12TB
    • 14TB
    • 16TB
    • 18TB
    • 20TB
    • 22TB
    • 24TB
    • 26TB
    • WD Red Plus 4TB 3.5" 5400RPM SATA Internal Hard Disk Drive - WD40EFZZ

      WD Red Plus 4TB 3.5" 5400RPM SATA Internal Hard Disk Drive - WD40EFZZ

      $279.99
    • WD Red Plus 4TB 3.5" 5400RPM SATA Internal Hard Disk Drive - WD40EFZZ + G.SKILL Trident Z5 Neo RGB Series Model F5-6000J3038F16GX2-TZ5NR

      WD Red Plus 4TB 3.5" 5400RPM SATA Internal Hard Disk Drive - WD40EFZZ

      G.SKILL Trident Z5 Neo RGB Series Model F5-6000J3038F16GX2-TZ5NR

      $829.98Combo Savings $270.00
    • Available in capacities ranging from 1-14TB with support for up to 8 bays
    • Supports up to 180 TB/yr workload rate
    • NASware firmware for compatibility
    • Small or medium business NAS systems in a 24x7 environment
    • 3-year limited warranty
    • Retail or OEM packing may vary
    +
    +
    Overview
    Specs
    Reviews (1)
    WD Red Plus internal HDDs are designed to handle workloads for power users and small to medium business NAS environments. WD Red Plus drives deliver the speed and capacity required to store, protect and share growing amounts of data in mid-sized RAID-optimized NAS systems with increased power efficiency.

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Limited Warranty period (parts): 2 years
    • Limited Warranty period (labor): 2 years
    • Read full details

    Return Policies

      We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.

    • Return for refund until: January 31, 2027
    • Return for replacement until: January 31, 2027
    • This item is covered by Newegg.ca's Extended Holiday Return Policy.
    • Read full return policy for details.

    Manufacturer Contact Info

    LOADING...
    LOADING...

    The WD Red Plus WD40EFZZ is a 4TB, 3.5-inch SATA internal hard drive designed for small- and medium-business NAS systems, including 24/7 operation. Its support for up to eight bays and a 180TB-per-year workload makes it suitable for multi-drive NAS storage.

    Recommended For

    • Home NAS owners who want a 4TB drive for shared files, photo libraries, media collections, and scheduled backups in an always-on setup.
    • Small-business or home-office teams using a NAS for shared folders and routine file access; WD positions Red Plus for small-to-medium NAS environments and up to eight bays.
    • NAS builders setting up a multi-drive RAID system who want a NAS-oriented drive rather than a standard desktop HDD; WD identifies Red Plus as RAID-ready and suitable for NAS systems of up to eight bays.
    • Home NAS users placing the system near a living or work area who accept some mechanical drive noise; community reports describe Red Plus drives as comparatively quiet, while noting that HDDs are not silent.

    Spec Summary

    AttributeValue
    Best ForInternal NAS or desktop storage for business and personal use
    Capacity4 TB
    Interface And Form FactorInternal 3.5-inch SATA drive with SATA 6 Gb/s connectivity
    Rotational Speed5400 RPM
    Cache128 MB
    Performance180 MB/s read speed with 5.6 ms average latency
    Features And WarrantyNASware firmware, rotation vibration sensors, and a 3-year limited warranty
    Model IdentifiersWestern Digital WD Red Plus, model WD40EFZZ