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Western Digital Red Pro 4TB 3.5-Inch 7200rpm 64MB Cache NAS Hard Drive (WD4002FFWX)
Western Digital

Western Digital Red Pro 4TB 3.5-Inch 7200rpm 64MB Cache NAS Hard Drive (WD4002FFWX)

Bottom line: The Western Digital Red Pro 4TB 3.5-Inch 7200rpm 64MB Cache NAS Hard Drive ($444.45 on Amazon as of 2026-10-06): 7200rpm spindle speed for faster reads than 5400rpm NAS drives; main trade-off: ships as bare drive; no screws, cables, or mounting hardware.

$444.45

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Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ 7200rpm spindle speed for faster reads than 5400rpm NAS drives
  • ✓ Scales from 1 to 16 bays for growing SMB NAS setups
  • ✓ NASware 3.0 firmware improves multi-drive compatibility
  • ✓ 3D Active Balance Plus cuts vibration in multi-bay enclosures

Cons

  • ✗ Ships as bare drive; no screws, cables, or mounting hardware
  • ✗ 7200rpm runs hotter and louder than 5400rpm NAS models
  • ✗ 4TB is modest next to current 12-16TB Red Pro options
  • ✗ Premium-tier pricing for the capacity offered

Manufacturer description

"Professional solutions Designed specifically with SMB customers in mind, WD Red Pro is available for up to 16 bay medium to large-scale NAS environments. Engineered to handle increased workloads from your business "NAS for Big Business. Increase the efficiency and productivity of your business with WD Red Pro hard drives for up to 16 bay NAS system. WD Red Pro comes equipped with NASware 3.0, which increases system compatibility allowing for seamless integration with your existing network infrastructure. Add value to your business by enabling your employees to quickly share their files and…

SpecPicks Verdict

SpecPicks scored Western Digital Red Pro 4TB 3.5-Inch 7200rpm 64MB Cache NAS Hard Drive using a rating × review-volume × price-fit model applied to published specs and reviews across the drives & media category. Western Digital's drives & media lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for drives & media of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Available in large capacities with support for 1-16 bays
  • Enhanced reliability with 3D Active Balance Plus and error recovery controls with NASware 3.0
  • Extended drive testing to ensure each drive is tested for extended reliable operation
  • Vibration & Shock protection
  • Package includes a hard drive only - no screws, cables, manuals included. Please purchase mounting hardware and cables separately if necessary.
  • Ships in WD-certified box for safe transit during shipping

Full Specifications

BrandWestern Digital
ColorRed
Model NameRed Pro
Read Speed150 Megabytes Per Second
Form Factor3.5-inch
Model NumberWD4002FFWX
Built-In Mediahard drive only
Hard-Drive Size4 TB
Mfr Part NumberWD4002FFWX
Number of Items1
Special FeatureShock Resistant
Item Part NumberWD4002FFWX
Vibration/RumbleYes
Hardware PlatformPC; Mac
Installation TypeScrew In
Compatible DevicesNASware 3.0 / Windows XP or later, Windows Server 2003 or later, Mac OS 10.7 or newer, Most modern Linux distributions
Data Transfer Rate202 Megabits Per Second
Enclosure MaterialAluminum
Additional FeaturesShock Resistant
Hard Disk InterfaceSerial ATA-600

Ready to buy?

Western Digital Red Pro 4TB 3.5-Inch 7200rpm 64MB Cache NAS Hard Drive (WD4002FFWX) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $444.45

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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