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WD - Red Plus 4TB NAS Internal Hard Drive

Lease to Own at
est. $6 /week*
SKU
WD40EFZZ-SPCPAN0
SKU: WD40EFZZ-SPCPAN0

WD Red Plus drives are designed to handle workloads of 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.

  • Tuned for NAS with NASware
    Western Digital’s exclusive NASware technology fine tunes drive parameters to match NAS system workloads, which helps increase performance and reliability.

  • Designed for Continuous Operation
    Since your NAS system is always on, a reliable drive is essential. WD Red Plus hard drives are designed for systems that operate 24x7, giving users the confidence of knowing they can reliably access their data.

  • Tested for Dependable Compatibility
    Western Digital partners with a wide range of NAS system vendors for extensive testing to ensure compatibility with most NAS enclosures.

  • Optimized for Lower TCO
    WD Red Plus drives are engineered to use less power (versus previous models) and run cooler, which reduces operating costs and helps reduce heat in thermally challenged NAS boxes.

  • Powered for Strong Performance
    Despite using less power, the drives have plenty of bandwidth to handle the mixed performance demands of multi-drive NAS systems.

  • Balanced for Increased Reliability
    Hard drives that are not properly balanced may cause excessive vibration and noise in multi-drive systems, which could reduce hard drive life span and degrade the performance over time. Our enhanced dual-plane balance control technology significantly improves balance and increases overall drive performance and reliability.

  • Backed by World-Class Support and Warranty
    As an industry-leading hard drive manufacturer, Western Digital stands behind their NAS storage solutions with the assurance of a 3-year limited warranty and world-class support services for hassle free data storage.

More Information
Manufacturer WD
Set Product as New from Date Feb 23, 2026
Set Product as New to Date Apr 23, 2026
Specification

Brand

WD

Model Number

WD40EFZZ-SPCPAN0

Product Name

Red Plus 4TB NAS Internal Hard Drive

Storage Capacity

4000 gigabytes

Storage Drive Type

HDD

Rotational Speed

540 revolutions per minute

Maximum Read Speed

180 megabytes per second

Maximum Write Speed

180 megabytes per second

Internal Or External

Internal

Product Compatibility

Network Attached Storage (NAS)

Form Factor

3.5 in.

Interface(s)

SATA

Usage

Everyday computing

Cache Buffer Size

128 megabytes

Product Height

1.03 inches

Product Width

4 inches

Product Weight

19.36 ounces

Warranty - Parts

3 years

Warranty - Labor

3 years

Hard Drive 8 GB
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