Western Digital 4TB WD Red Pro NAS SATA HDD, 3.5" Internal Hard Drive HDD, 7200 RPM, 256MB Cache, CMR - WD4005FFBX
Western Digital 4TB WD Red Pro NAS SATA HDD, 3.5" Internal Hard Drive HDD, 7200 RPM, 256MB Cache, CMR - WD4005FFBX
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Western Digital

Western Digital 4TB WD Red Pro NAS SATA HDD, 3.5" Internal Hard Drive HDD, 7200 RPM, 256MB Cache, CMR - WD4005FFBX

121 ratings
Western Digital 4TB WD Red Pro NAS SATA HDD, 3.5" Internal Hard Drive HDD, 7200 RPM, 256MB Cache, CMR - WD4005FFBXWestern Digital 4TB WD Red Pro NAS SATA HDD 3 5 Internal Hard Drive HDD 7200 RPM 256MB Cache CMR WD4005FFBXWestern Digital 2TB WD Red Pro NAS SATA HDD 3 5 Internal Hard Drive HDD 7200 RPM 64MB Cache CMR WD2002FFSXWestern Digital 20TB WD Red Pro NAS SATA HDD 3 5 Internal Hard Drive HDD 7200 RPM 512MB Cache CMR WD201KFGXWestern Digital 8TB WD Red Pro NAS SATA HDD 3 5 Internal Hard Drive HDD 7200 RPM 256MB Cache CMR WD8003FFBXWestern Digital 16TB WD Red Pro NAS SATA HDD 3 5 Internal Hard Drive HDD 7200 RPM 512MB Cache CMR WD161KFGX
Hard Drive Capacity4 TB

Key item features

  • Storage Capacity: This Western Digital Red Pro NAS HDD offers a substantial 4TB storage capacity for demanding data environments.
  • Performance Specifications: Features a 7200 RPM rotational speed and a 256MB cache for efficient data access and transfer.
  • Internal Design: A 3.5-inch internal hard drive, utilizing SATA interface and CMR technology for reliable data storage.
  • Workload Endurance: Engineered to handle high-intensity workloads, rated for 550TB per year, suitable for continuous operation.
  • Reliability Metrics: Boasts an impressive Mean Time Between Failures (MTBF) of up to 2.5 million hours, ensuring long-term dependability.
  • System Compatibility: Ideal for RAID-optimized NAS systems with an unlimited number of bays, supporting scalability for growing data needs.
  • Targeted Environments: Specifically designed for 24/7 multi-user commercial and enterprise NAS environments, including creative professionals and medium to large businesses.
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Specs

HD capacity, 4 TBBrand, Western DigitalInternal/external, InternalInterface type, SATAHard drive form factor, 3.5Disk rotation speed, 7200 rpm

About this item

Product details

WD Red® Pro drives are engineered to handle high-intensity workloads in 24×7 multi-user commercial and enterprise NAS environments. WD Red Pro drives deliver the performance, scalability and dependability businesses require to store, share and collaborate on large amounts of data in multi-bay RAID-optimized NAS systems.

Product Features

  • Ideal for creative pros, medium to large businesses, and commercial/enterprise NAS systems
  • For RAID-optimized NAS systems with an unlimited number of bays
  • Rated for 550TB/year workloads1 and up to 2.5M hours MTBF
info:
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Specifications

HD capacity

4 TB

Brand

Western Digital

Internal/external

Internal

Interface type

SATA

Warranty

Warranty information

5-Year Limited Warranty

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Warnings

Customer ratings & reviews

3.8 out of 5 stars
stars
121 ratings113 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars61% (74)
  2. 4 stars7% (9)
  3. 3 stars5% (6)
  4. 2 stars5% (6)
  5. 1 star21% (26)

Reviews summary

Pros

  • : Drives operate reliably in various setups.
  • : Offers affordable storage solutions.
  • : Provides sufficient space for data and files.
  • : Runs with minimal noise during use.

Neutral

  • : Can be very reliable, but some models have high failure rates.
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Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
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Showing 1-3 of 113 reviews

May 10, 2026
Reviewer name: George Matos
5 out of 5 stars
5 out of 5 stars review

Seller Verified Purchase

WD Pro

Great drive, low noise in their mechanical readings, i have always had Western Digital drive and never had any complaints. A Bit expensive but to me i cant take chances of loosing backup or media of any kind. Recently installed to a NAS

Review from Western Digital
Helpful?78ZB9KHXZ2815447539614
Mar 25, 2026
Reviewer name: Hossaena
5 out of 5 stars
5 out of 5 stars review

Seller Verified Purchase

Reliable Drvie

It does what was promised and it is the most reliable hard disk we ever use in our NAS

Review from Western Digital
Helpful?78ZB9KHXZ2815447539614
Feb 16, 2026
Reviewer name: Eric99
5 out of 5 stars
5 out of 5 stars review

Seller Verified Purchase

Great HDD

This has been a great HDD for my NAS. Easy to install and drive has been performing very well with minimal noise.

Review from Western Digital
Helpful?78ZB9KHXZ2815447539614
Current price is $334.99
Price when purchased online
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