Western Digital 18TB WD Red Pro NAS Internal Hard Drive HDD 7200 RPM SATA 6Gb/s 3.5in WD181KFGX
WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5" - WD181KFGX
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Western Digital

WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5" - WD181KFGX

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Key item features

  • Storage Capacity: Offers a substantial 18TB capacity, with available models ranging from 2TB to 22TB for diverse storage needs.
  • NAS Optimization: Specifically designed for RAID-optimized NAS systems, supporting an unlimited number of bays and high-intensity 24x7 multi-user environments.
  • Performance Specifications: Features a 7200 RPM spindle speed, SATA 6Gb/s interface, CMR technology, and a 512MB cache for efficient data handling.
  • Workload Endurance: Rated for a robust 550TB/year workload rate, ensuring durability under demanding operational conditions.
  • Enhanced Reliability: Incorporates 3D Active Balance Plus technology and error recovery controls with NASware 3.0 for improved drive stability and data integrity.
  • System Compatibility: Undergoes extensive testing with various NAS system vendors to guarantee broad compatibility with most NAS enclosures.
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Current price is $734.99
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4.268142681426815 stars out of 5, based on 813 seller reviews(4.3)
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4.1 out of 5 stars
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40 ratings37 reviews
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  1. 5 stars70% (28)
  2. 4 stars5% (2)
  3. 3 stars8% (3)
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  5. 1 star15% (6)
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Showing 1-3 of 37 reviews

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
May 9, 2026
SinisterSwiss
5 out of 5 stars review

Seller Verified Purchase

Great high capacity

As described. So far so good! High capacity and best price I could find

Review from Western Digital
Helpful?3I4ZL2MZ2NQT428748258