Western Digital 20TB WD Red Pro NAS SATA HDD, 3.5" Internal Hard Drive HDD, 7200 RPM, 512MB Cache, CMR - WD201KFGX
Western Digital 20TB WD Red Pro NAS SATA HDD, 3.5" Internal Hard Drive HDD, 7200 RPM, 512MB Cache, CMR - WD201KFGX
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Western Digital 20TB WD Red Pro NAS SATA HDD, 3.5" Internal Hard Drive HDD, 7200 RPM, 512MB Cache, CMR - WD201KFGX

3.9 stars out of 124 reviews
(3.9)|
124 ratings
Western Digital 20TB WD Red Pro NAS SATA HDD, 3.5" Internal Hard Drive HDD, 7200 RPM, 512MB Cache, CMR - WD201KFGXWestern Digital 20TB WD Red Pro NAS SATA HDD 3 5 Internal Hard Drive HDD 7200 RPM 512MB Cache CMR WD201KFGXWestern Digital 22TB WD Red Pro NAS SATA HDD 3 5 Internal Hard Drive HDD 7200 RPM 512MB Cache CMR WD221KFGXWestern Digital 2TB WD Red Pro NAS SATA HDD 3 5 Internal Hard Drive HDD 7200 RPM 64MB Cache CMR WD2002FFSXWestern Digital 4TB WD Red Pro NAS SATA HDD 3 5 Internal Hard Drive HDD 7200 RPM 256MB Cache CMR WD4005FFBXWestern 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 Capacity:20 TB-Out of stock

Key item features

  • Storage Capacity: This 3.5" internal hard drive offers a substantial 20TB storage capacity, ideal for demanding data storage needs.
  • Performance Specifications: Features a 7200 RPM rotational speed and a 512MB cache for efficient data access and transfer.
  • Workload Endurance: Engineered for high-intensity workloads, rated for 550TB per year and up to 2.5 million hours MTBF.
  • NAS Optimization: Specifically designed for RAID-optimized NAS systems with an unlimited number of bays, ensuring scalability and reliability.
  • Targeted Users: Ideal for creative professionals, medium to large businesses, and commercial/enterprise NAS environments requiring robust data solutions.
  • Operational Environment: Built to handle 24/7 multi-user commercial and enterprise NAS environments, supporting continuous operation.
  • Data Management: Delivers the necessary performance, scalability, and dependability for storing, sharing, and collaborating on large datasets.
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Customer ratings & reviews

3.9 out of 5 stars
stars124 ratings120 reviews
How item rating is calculated
  1. 5 stars62% (77)
  2. 4 stars7% (9)
  3. 3 stars5% (6)
  4. 2 stars6% (7)
  5. 1 star20% (25)

Reviews summary

Pros
  • : Process is quick and requires minimal effort.
  • : Offers affordable storage solutions.
  • : Provides sufficient space for data and files.
  • : Offers speeds as promised and reasonably fast data transfer.
Neutral
  • : Can be very reliable, but some models have high failure rates.
  • : Can be quiet, but may vary in loudness across units.
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Showing 1-3 of 120 reviews

Dec 18, 2025
squeeks
5 out of 5 stars review

Seller Verified Purchase

No Complaints

I use this drive solely for data storage which it works great for that, I had a problem with the order and WD gave me a 15% discount which made the deal very good for me. Drive reads/writes around 250mb/sec so not bad for this type of drive. some minor noises now and then but nothing bad.

Review from Western Digital
Helpful?78ZB9KHXZ281645264751
Feb 16, 2026
Eric99
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?78ZB9KHXZ281645264751
Jan 24, 2026
Art M
5 out of 5 stars review

Seller Verified Purchase

RED PRO NAS hard drive

received quickly and had no issues with installing and using it so far. hopefully it lasts a long time.

Review from Western Digital
Helpful?78ZB9KHXZ281645264751