WD Red 4TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch - WD40EFRX
WD Red 4TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch - WD40EFRX
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WD Red 4TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch - WD40EFRX

WD Red 4TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch - WD40EFRXWD Red 4TB NAS Hard Disk Drive 5400 RPM Class SATA 6Gb s 64MB Cache 3 5 Inch WD40EFRXX WD Red 6TB NAS Hard Disk Drive 5400 RPM Class SATA 6Gb s 64MB Cache 3 5 Inch WD60EFRXWD Red 10TB NAS Hard Disk Drive 5400 RPM Class SATA 6Gb s 256MB Cache 3 5 Inch WD100EFAXWD Red 3TB NAS Hard Disk Drive 5400 RPM Class SATA 6Gb s 64MB Cache 3 5 Inch WD30EFRXWD Red NAS Hard Drive WD80EFZX Hard drive 8 TB internal 3 5 inch SATA 6Gb s 5400 rpm buffer 128 MB
Hard Drive Capacity:4 KB-Out of stock

Key item features

  • NAS Integration: Specifically designed for use in NAS systems with up to 8 bays, ensuring compatibility and optimized performance for network-attached storage environments.
  • Reliable Operation: Tested for 24x7 reliability, making it suitable for continuous operation in small and home office NAS systems.
  • Enhanced Compatibility: Features NASware firmware, which increases the drive's compatibility with NAS systems for better playback with various devices.
  • Digital Storage: A SATA hard disk drive for storing videos, documents, and other digital content, facilitating streaming, backup, organization, and sharing.
  • Physical Dimensions: A 3.5-inch hard disk drive, offering a standard size for integration into compatible systems.
  • Versatile Use: Compatible with televisions, computers, and other electronic devices, making it beneficial for both home and office settings.
  • Portable Design: Described as lightweight and portable, allowing for easy transport.
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Current price is $138.00
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Customer ratings & reviews

4.8 out of 5 stars
stars24 ratings20 reviews
How item rating is calculated
  1. 5 stars88% (21)
  2. 4 stars8% (2)
  3. 3 stars4% (1)
  4. 2 stars0% (0)
  5. 1 star0% (0)

Reviews summary

Pros

  • : Offers good value for its features and quality.
  • : Drives from manufacturers with a good track record.
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Showing 1-3 of 20 reviews

Aug 24, 2014
musicmusch
5 out of 5 stars review

Verified Purchase

WD Red 4TB WD40EFRX NAS Hard Drive

These hard drives are made for 24hr use in a Network Hard Drive systems. Well manufactured to stand the rugged environment of 24/7 abuse. Highly recommended.

Helpful?55DWEUCO0DNA30579529
May 20, 2017
Karl A
5 out of 5 stars review

Seller Verified Purchase

Great WD Quality

These two 4 TB WD Red drives went into a Synology 216+II NAS also purchased through Jet. I expect years of trouble free service from WD brand drives. Never had one fail yet. Delivery was amazing from Jet. Standard free shipping arrived in two days. [This review was collected as part of a promotion.]

Review from jet.com
Helpful?55DWEUCO0DNA30579529
Jun 24, 2021
Temlakos
5 out of 5 stars review

Seller Verified Purchase

Excellent RAID/NAS physical volume

I bought this to replace a failing disk in a WD MyCloud Pro PR-4100 NAS, in RAID5 configuration. Never once did I lose access to data, and the rebuild, while it necessarily took a long time, required little or no attention.

Review from Western Digital
Helpful?55DWEUCO0DNA30579529