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  • If your drive stops working, the Rescue data recovery plan will recover the data from the failed drive and return it to you on a new piece of external storage
  • Covers new single-disk bare (internal) drives of any brand when purchased within 30 days (receipt must be retained for purchases not on the same transaction). Not eligible on enterprise class or multi-drive devices
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3 Year Data Recovery Plan
from After Solution $18.74
  • If your drive stops working, the Rescue data recovery plan will recover the data from the failed drive and return it to you on a new piece of external storage
  • Covers new single-disk bare (internal) drives of any brand when purchased within 30 days (receipt must be retained for purchases not on the same transaction). Not eligible on enterprise class or multi-drive devices
  • Free shipping for in-lab data recovery; 24/7 online case status tracking
  • If your data isn't recovered, you get your money back
  • If you purchase this service plan and eligible product for this service plan, you acknowledge that Amazon may send the service plan seller relevant product and price information for the purpose of administering the plan
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WD Red 4TB NAS Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD40EFAX

4.6 out of 5 stars 157 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice for "4tb hard drive"

Was: $109.99
Price: $98.99
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Available at a lower price from other sellers that may not offer free Prime delivery.
4TB

About this item

  • Specifically designed for use in NAS systems with up to 8 bays
  • Supports up to 180 TB/yr workload rate Rate is defined as amount of user data transferred to or from drive. Workload Rate is annualized (TB transferred times (8760/recorded power-on hrs)). Workload Rate will vary on hardware/software components
  • NASware firmware for compatibility. Cache Size 256 MB
  • Small and home office NAS systems in a 24/7 environment
  • 3-year manufacturer's limited

Frequently bought together

  • WD Red 4TB NAS Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD40EFAX
  • +
  • Synology 2 Bay NAS DiskStation DS220j (Diskless), 2-Bay; 512MB DDR4
  • +
  • Seagate IronWolf 4TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 5900 RPM 64MB Cache for RAID Network Attached Stor
Total price:
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Product information

Capacity :4TB

Technical Details

Summary

Additional Information

Warranty & Support

Amazon.ca Returns Policies:Electronics purchased from Amazon.ca, or a seller but fulfilled by Amazon, can be returned to Amazon.ca within 30 days of delivery of shipment via our online Returns Centre. These items must be in new condition with original packaging and accessories. We cannot accept returns of products and we will not refund items missing the serial number or UPC (including musical instruments, televisions, or consumer electronics).

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Product description

Capacity :4TB

There's a leading edge WD Red drive for every compatible NAS system to help fulfill your data storage needs. With drives up to 14TB, WD Red drives offer a wide array of solutions for customers looking to build a NAS storage solution. Built for single-bay to 8-bay NAS systems, WD Red drives Pack the power to store your precious data in one powerhouse unit. With WD Red drives, you're ready for what's next.


From the manufacturer

1
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For Personal or Home Office

Stream, backup, share, and organize your digital content at home with a NAS and WD Red drives designed to effortlessly share content with the devices in your personal or home office environments. NASware 3.0 technology increases your drives’ compatibility with your existing network and devices, TV, stereo, and more. Live in a connected world.

3
4

Exclusive NASware 3.0

Built into every WD Red hard drive, NASware 3.0’s advanced technology improves your system’s storage performance by increasing compatibility, integration, upgradeability, and reliability.


Customer Questions & Answers

Customer reviews

4.6 out of 5 stars
4.6 out of 5
157 global ratings
How are ratings calculated?

Top reviews from Canada

Reviewed in Canada on May 7, 2020
Capacity : 4TBVerified Purchase
33 people found this helpful
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VINE VOICE
Reviewed in Canada on September 16, 2021
Capacity : 4TBVerified Purchase
Reviewed in Canada on August 24, 2020
Capacity : 4TBVerified Purchase
One person found this helpful
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TOP 500 REVIEWER
Reviewed in Canada on May 4, 2020
Capacity : 4TBVerified Purchase
Reviewed in Canada on December 7, 2020
Capacity : 4TBVerified Purchase
One person found this helpful
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Reviewed in Canada on December 11, 2020
Capacity : 4TBVerified Purchase
2 people found this helpful
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Reviewed in Canada on September 24, 2020
Capacity : 4TBVerified Purchase
2 people found this helpful
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Reviewed in Canada on December 5, 2020
Capacity : 4TBVerified Purchase
One person found this helpful
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Top reviews from other countries

Praxis
1.0 out of 5 stars These are SMR drives not CMR
Reviewed in the United Kingdom on June 19, 2020
Capacity : 4TBVerified Purchase
54 people found this helpful
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NeuronPile
1.0 out of 5 stars The worst performing WD Red!
Reviewed in Germany on June 4, 2020
Capacity : 4TBVerified Purchase
83 people found this helpful
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Utente deluso
1.0 out of 5 stars Usa la tecnologia SMR ! Non usare per RAID!
Reviewed in Italy on April 21, 2020
Capacity : 4TBVerified Purchase
66 people found this helpful
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Steven
3.0 out of 5 stars SMR-Laufwerk und Out-of-Region
Reviewed in Germany on May 31, 2020
Capacity : 4TBVerified Purchase
54 people found this helpful
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Reader
1.0 out of 5 stars 4TB are Dog poop - don't tread in it - I should look at Ironwolf.
Reviewed in the United Kingdom on August 1, 2020
Capacity : 4TBVerified Purchase
13 people found this helpful
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