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  11. WD Red Plus 4TB 3.5" SATA Hard Drive [WD40EFPX]

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WD Red Plus 4TB 3.5" SATA Hard Drive [WD40EFPX]
WD Red Plus 4TB 3.5" SATA Hard Drive [WD40EFPX]
WD Red Plus 4TB 3.5" SATA Hard Drive [WD40EFPX]

WD Red Plus 4TB 3.5" SATA Hard Drive [WD40EFPX]

(6,321 reviews)

Designed for NAS systems that have 1-5 drive bays, the 4TB WD Red Plus SATA 6Gb/s 3.5 Internal NAS Hard Drive is extensively tested for compatibility in the unique 24x7 operating environment and demanding system requirements of home and small office NAS. With a 35 percent MTBF improvement over standard desktop drives, the WD Red drive is designed and manufactured to be a more reliable and robust solution.The secret is in the technologyNASware Advanced firmware technology built into every WD Red drive, enables seamless integration, robust data protection and optimal performance for systems operating in NAS and RAID environments. This innovative technology reduces power consumption and lowers the operating temperature, resulting in a more reliable and affordable solution for always on NAS environments.

Designed for NAS systems that have 1-5 drive bays, the 4TB WD Red Plus SATA 6Gb/s 3.5 Internal NAS Hard Drive is extensively tested for compatibility in the unique 24x7 operating environment and demanding system requirements of home and small office NAS. With a 35 percent MTBF improvement over standard desktop drives, the WD Red drive is designed and manufactured to be a more reliable and robust solution.The secret is in the technologyNASware Advanced firmware technology built into every WD Red drive, enables seamless integration, robust data protection and optimal performance for systems operating in NAS and RAID environments. This innovative technology reduces power consumption and lowers the operating temperature, resulting in a more reliable and affordable solution for always on NAS environments.

$159.00 - $299.00

in 28 offers

Capacity:

16 TB
20 TB

WD Red Plus 4TB 3.5" SATA Hard Drive [WD40EFPX]

$159.00

(6,321 reviews)

Designed for NAS systems that have 1-5 drive bays, the 4TB WD Red Plus SATA 6Gb/s 3.5 Internal NAS Hard Drive is extensively tested for compatibility in the unique 24x7 operating environment and demanding system requirements of home and small office NAS. With a 35 percent MTBF improvement over standard desktop drives, the WD Red drive is designed and manufactured to be a more reliable and robust solution.The secret is in the technologyNASware Advanced firmware technology built into every WD Red drive, enables seamless integration, robust data protection and optimal performance for systems operating in NAS and RAID environments. This innovative technology reduces power consumption and lowers the operating temperature, resulting in a more reliable and affordable solution for always on NAS environments.

Designed for NAS systems that have 1-5 drive bays, the 4TB WD Red Plus SATA 6Gb/s 3.5 Internal NAS Hard Drive is extensively tested for compatibility in the unique 24x7 operating environment and demanding system requirements of home and small office NAS. With a 35 percent MTBF improvement over standard desktop drives, the WD Red drive is designed and manufactured to be a more reliable and robust solution.The secret is in the technologyNASware Advanced firmware technology built into every WD Red drive, enables seamless integration, robust data protection and optimal performance for systems operating in NAS and RAID environments. This innovative technology reduces power consumption and lowers the operating temperature, resulting in a more reliable and affordable solution for always on NAS environments.

Capacity

4 TB
​

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Last updated at 12/06/2025 06:26:06

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Price history

​
​

Price history

​
​

Reviews

Buy if you don't value data and cannot hear well
21 January 2023
AIM9x

originally posted on westerndigital.com

Don't buy the 10TB or 8TB Red Plus.
19 October 2022
IT Pro

originally posted on westerndigital.com

Good Packaging, 0 SMART errors
29 July 2022
Chris27

originally posted on westerndigital.com

Specification

Noise level (idle)23 dB
Workload rate limit180 TB/year
Native Command Queuing (NCQ)Y
Advanced Format (AF)Y
HDD interface transfer rate6 Gbit/s

Price comparison

Updated about 8 hours ago
Centre Com

$159.00

Computers & Parts Land

$165.00

+$14.50 delivery
Scorptec

$168.00

+$11.00 delivery

cashrewards

0.7% cashback


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Temporarily unavailable

Allneeds Computers

$169.00

JW Computers

$169.00

+$9.95 delivery

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Low Stock
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$208.34

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$210.00

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$169.00

Low Stock
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$219.00

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$168.00

Low Stock
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$168.00

Low Stock
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$273.99

Low Stock
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$169.36

Low Stock
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$308.35

Low Stock
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$210.00

Low Stock
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$249.00

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$187.00

Low Stock
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$179.00

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$255.30

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$199.10

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$212.00

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$252.95

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$249.00

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$234.90

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$191.00

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$189.60

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$206.95

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$240.25

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cashrewards

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$339.10

Low Stock
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$217.27

Low Stock
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$153.60

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$288.63

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$249.00

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$215.99

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$224.95

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$166.32

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$145.35

Low Stock
Masters Voice

$193.05

Low Stock

Price history

​
​

Price history

​
​

Reviews

Buy if you don't value data and cannot hear well
21 January 2023
AIM9x
originally posted on westerndigital.com
Don't buy the 10TB or 8TB Red Plus.
19 October 2022
IT Pro
originally posted on westerndigital.com
Good Packaging, 0 SMART errors
29 July 2022
Chris27
originally posted on westerndigital.com
Have been VERY dependable
8 November 2022
ironwolfjt
originally posted on westerndigital.com
Plenty of room to stretch out on the NAS.
18 June 2022
RichT
originally posted on westerndigital.com
Quick and Quiet Drives for DAS Enclosure
27 October 2022
KidVirtual
originally posted on westerndigital.com
Quiet, works with Synology DS1812+ *
9 October 2021
Synology Owner
originally posted on westerndigital.com
So Far So Good
29 December 2022
MightyMouse
originally posted on westerndigital.com
Way better than the 10TB and 8TB versions
30 November 2022
IT Pro
originally posted on westerndigital.com
WD MyCloud PR-2100 - 14 TB RAID 1
24 March 2023
PeteyPaydro
originally posted on westerndigital.com

Specification

Noise level (idle)23 dB
Workload rate limit180 TB/year
Native Command Queuing (NCQ)Y
Advanced Format (AF)Y
HDD interface transfer rate6 Gbit/s