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

Ships from United States.

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  • Specifically designed for use in NAS systems with up to 8 bays
  • Tested for 24x7 reliability
  • NASware firmware for compatibility
  • 3-year limited warranty
  • Small and home office NAS systems in a 24x7 environment

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the Western Digital WD40EFRX

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details
  • Return Policies
  • We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1, 2018 and December 24, 2018 you will have until January 31, 2019 to return your product. There's nothing additional that you have to do!
    • Return for refund until: January 31, 2019
    • Return for replacement until: January 31, 2019
  • This item is covered by Newegg.com's Extended Holiday Return Policy.
Ownership: more than 1 year
Verified Owner
1/ 5
NO Warranty....DO NOT BUY

Pros: cheap

Cons: It only worked for 2 years. I checked the Western Digital website and this drive has no warranty as it has been sold outside of the region. Grey Market products from NEWEGG have no warranty

1 out of 1 people found this review helpful. Did you?
Manufacturer Response:
Hi Alan W.,

We regret to hear your experience with the WD Red hard drive, If you just purchased the drive then you should be able to return it to the place of purchase.

For more information about the warranty and status, please follow the below mentioned links:-

"Warranty policy and online warranty services for WD products"
https://support.wdc.com/knowledgebase/answer.aspx?ID=618

WARRANTY SERVICES
https://support.wdc.com/warranty/?lang=en

WORLDWIDE WARRANTY POLICY AND LIMITATIONS
https://support.wdc.com/warranty/warrantypolicy.aspx?lang=en

We would appreciate the opportunity to gather more information from you to ensure all our customers receive the product they are expecting. You can contact us and reference the support case number below.

Support Case Number: 121418-13467986
Need Help? Please contact us at 1(855) 842-5370.
Ownership: 1 week to 1 month
Verified Owner
3/ 5
2 days Brand new drive already a BAD Sector

Pros: NA

Cons: Just revived yesterday my order and added my 5 drives in my NAS, and already one drive that state a bad sector

Other Thoughts: Already Disappointed

0 out of 1 people found this review helpful. Did you?
Manufacturer Response:
Hi james c.,

We regret to hear your experience with of your WD Red hard drive did not function as expected and our thanks for the time providing this feedback.

As a troubleshooting step, please test the drive on Windows using our Data Lifeguard Diagnostics program. If it passes the test we recommend testing another drive bay or SATA port on your system.

"Testing a drive for problems using Data Lifeguard Diagnostics for Windows":
https://support.wdc.com/knowledgebase/answer.aspx?ID=940

If the test is unfortunately inconclusive then you can create an RMA through WD and replace the drive under warranty if necessary.

"How to get an RMA to replace a defective product, or obtain a power supply or USB cable for a WD product":
https://support.wdc.com/knowledgebase/answer.aspx?ID=8

We would like to follow-up with you to help discover the root of your hard drive’s abnormal behavior, or help replace it for you if needed in order to provide a positive resolution to your experience.

Support Case Number: 120118-13433151
Need Help? Please contact us at 1 (800) 275-4932
Ownership: 1 month to 1 year
Verified Owner
1/ 5
Not Reliable

Pros: Competitive pricing for 4TB drive
Quiet
Low power consumption

Cons: Unreliable
Horrible customer service from WD

Other Thoughts: I purchased 2 of these drives for a music server with the intent of setting up a RAID 1 configuration (mirrored) to protect my data. In less than 24 hours of use, one drive died and the second drive is starting to show errors. If you are installing these in an application that requires a reliable storage solution, it's best to look elsewhere.

As for Newegg, being I waited to install these past the 30 day return window, I could not return them to Newegg for replacement. However, the customer service rep was more than helpful as she stepped me through the WD returns process over the phone to ensure I could return my drives under warranty. As usual, Newegg support gets 5 stars.

0 out of 1 people found this review helpful. Did you?
Manufacturer Response:
Hi Paul P.,

We are sorry to hear about your online shopping experience. As you have not received the product as expected, we recommend you to return it to the place of purchase immediately to get it replaced.

We suggest you contact our next level support team to get the resolution for the issue and please provide the support case number with reference to NewEgg review.

Case Number: 111618-13395172
Need help? Please contact us at 1 (800) 275-4932
Ownership: more than 1 year
Verified Owner
5/ 5
Going Strong since 2014

Pros: I've had this hard drive in my Drobo DAS system since 2014 without any issues. I primarily use it for media storage.
I've had a very good experience with WD Red drives. They are reliable, resonantly fast (not super fast), fairly quiet, and power efficient.

Cons: None

Other Thoughts: I highly recommend WD red to anyone for any type of storage needs. the Red series is based around reliability. In my opinion making them great all around drives for storage in your home computer or for a NAS. I would not use this for installing the OS it just is not fast enough for that.

Did you find this review helpful?
Ownership: 1 month to 1 year
Verified Owner
1/ 5
Never again will I purchase WD

Pros: None

Cons: RMA process is useless.
1. DOA drive was sent as an RMA repalcement.
2. "Advanced RMA" shipment still waiting to ship out for over a week.
3. Tech support is clearly an offshoring operation that only exists to get you off the phone with no credible solution.

Other Thoughts: Don't waste your money. Buy another brand. I sure will.

1 out of 2 people found this review helpful. Did you?
Manufacturer Response:
Hi Gary,

We apologize for any inconvenience experienced with the WD Red NAS Hard Drive. We understand your frustration and would like another chance to help with our next level of support, but unfortunately were unable to locate you in our system.

We would appreciate the opportunity to assist you directly. We placed a case number below as a point of reference to this review. If you would please contact us and mention this case number along with your previous support cases so we can direct you to the next level of support.

Case Number: 100518-13289722
Need Help? Please contact us at 1 (800) 275-4932
Ownership: 1 month to 1 year
Verified Owner
5/ 5
It's a NAS Drive. It works. What more can I ask for?

Pros: -It's 4TB.
-It works.
-It's in my NAS

Cons: -None I can perceive.

Other Thoughts: Great for the price I paid.

Did you find this review helpful?
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Great For Media Servers Or NAS

Pros: Virtually silent thanks in part to its relatively low speed of 5400 RPM - a speed that is more than adequate for serving up HD movies and also contributes to its low power consumption.

Cons: None

Other Thoughts: Recommended and would buy again

Did you find this review helpful?
Ownership: 1 week to 1 month
2/ 5
Good performance, questionable reliability

Pros: Despite being 5400 RPM drives, they are able to produce peak sequential reads above 120MB/s, and the random reads aren't that bad either.

Cons: I'm getting sata bus errors when the drive is connected at 6gbps and under load. Usually dmesg shows failed commands resulting in a sata bus reset. For a drive meant to operate unattended for long periods of time, this is a concerning issue that makes me wonder how solid the control board on the drive is.

Have RMA'd one of the 2 drives I bought because of it, but the replacement device is producing the same errors. Currently trying
libata.force=3.0G in the kernel options to slow the sata bus down to 3gbps in the hopes of eliminating this error. If this fails I will have to return these drives and get WD RE devices instead.

Other Thoughts: A household or small business NAS device might be okay with these. The problem is not obvious in normal use, and many commercial NAS controllers are not capable of reaching speeds that would cause this error.

I'm not so sure now on having them in a small business server, and will be watching what they do.

5 out of 5 people found this review helpful. Did you?
Manufacturer Response:
Hi Sean,

It is unfortunate hearing about your experience about the WD Red drive. Thanks for the time providing feedback; it's always appreciated receiving input from our customers. For your convenience we placed links to useful articles below providing more information about testing a WD drive for problems.

"Testing a drive for problems using Data Lifeguard Diagnostics for Windows": https://support.wdc.com/knowledgebase/answer.aspx?ID=940

"How to test a drive for defects or problems on a Mac":
https://support.wdc.com/knowledgebase/answer.aspx?ID=866

All our products must pass our stringent quality standards before leaving our factory to be free from defects in materials and craftsmanship. We stand behind our products throughout the device's factory warranty period; and would be happy to help determine the root cause of this abnormal behavior. If you face any difficulty with the replacement drive then contact us and mention the support case below for assistance.

case number : 072618-13117371

Need Help? Please contact us at 1 (800) 275-4932
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