WD Red Pro 18TB 3.5" SATA 7200rpm Internal Hard Drive WD181KFGX
WD Red Pro 18TB 3.5" SATA 7200rpm Internal Hard Drive WD181KFGX
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Western Digital

WD Red Pro 18TB 3.5" SATA 7200rpm Internal Hard Drive WD181KFGX

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Key item features

  • Storage Capacity: Offers a substantial 18TB capacity, with available models ranging from 2TB to 22TB, suitable for various storage needs.
  • NAS Optimization: Specifically designed for RAID-optimized NAS systems, supporting an unlimited number of bays and 24x7 multi-user environments.
  • Workload Endurance: Rated for a high workload rate of 550TB per year, ensuring durability under demanding operational conditions.
  • Enhanced Reliability: Features 3D Active Balance Plus technology and error recovery controls with NASware 3.0 for improved data integrity.
  • Broad Compatibility: Extensively tested with numerous NAS system vendors to ensure wide compatibility with most NAS enclosures.
  • Performance Specifications: Operates at 7200 RPM with a SATA 6Gb/s interface, utilizing CMR technology and a 512MB cache in a 3.5" form factor.
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4.1 out of 5 stars
stars38 ratings36 reviews
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  1. 5 stars68% (26)
  2. 4 stars5% (2)
  3. 3 stars8% (3)
  4. 2 stars3% (1)
  5. 1 star16% (6)
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Showing 1-3 of 36 reviews

Mar 1, 2025
Waheed
5 out of 5 stars review

Seller Verified Purchase

Great deal and real Pro performance

The 18 TB Red Pro is a great choice with reasonable competitive price and magnificent performance during write and read data. The overall performance of my NAS improved noticeably after upgrading with 4x 18 TB HDDs. Worth every dollar paid. Well Done western Digital

Review from Western Digital
Helpful?3I4ZL2MZ2NQT428748258
Jan 13, 2022
VictoryJerry
5 out of 5 stars review

Seller Verified Purchase

WD Red Pro 18TB

I can't put in words how great these Red Pro drives are. This is my second Red Pro drive adding to my Alienware R8. I have been building my home library for streaming. My friends were all saying to get a Synology NAS system but I had a perfectly good R8 that I wasn't using for gaming or anything so I thought why not use it. The area I live in (near Chattanooga, TN) is where the EPB Electrical Utility has the GIG Fiber available to all of it's customers. I know my i9 processor might be overkill but these drives are awesome. The Plex software has not had 1 glitch in retrieving anything on my library. I have put this thing to the test with multiple streams and the drives have been flawless!

Review from Western Digital
Helpful?3I4ZL2MZ2NQT428748258
Mar 1, 2026
DJ Gene
5 out of 5 stars review

Seller Verified Purchase

Installed in UGreen NAS and working great.

So far so good. A little noisy but if that's what concerns you about a hard drive, I suggest a priority shift.

Review from Western Digital
Helpful?3I4ZL2MZ2NQT428748258