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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]

(6,511 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 29 offers

Capacity:

16 TB
20 TB

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

$159.00

(6,511 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
​

Price comparison

Last updated at 05/07/2025 12:40:38

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$172.00

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eBay.com.au - pclan_online

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available over 1 year ago

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eBay.com.au - hammer-tech

$252.95

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$249.00

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$339.10

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Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

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$217.27

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Mobile Wizard Online

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available about 2 years ago

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Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au - goclickonstore

$224.95

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Masters Voice

$193.05

available about 2 years ago

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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 12 hours ago
Amazon.com.au

$179.00

Scorptec

$159.00

+$11.00 delivery

cashrewards

0.7% cashback


shopback

Temporarily unavailable

Centre Com

$159.00

Computer Alliance

$159.00

+$16.79 delivery
Computers & Parts Land

$165.00

+$14.50 delivery

See 88 more history offers

RubberMonkey.com.au

$209.00

Low Stock
PC Lan

$176.00

Low Stock
Auzzi Store

$269.40

Low Stock
Virtue IT

$208.34

Low Stock
Advanced pc and simulations

$213.00

Low Stock
BroadScope Computers

$210.00

Low Stock
Landmark Computers

$199.00

Low Stock
NAS Marketplace

$179.00

Low Stock
The Telecom Shop.com

$198.61

Low Stock
Catch.com.au

$205.95

Low Stock
Big Apple Buddy

$157.42

Low Stock
eBay.com.au

$192.00

Low Stock
KickStart Computers

$191.50

Low Stock
Aussie Gadgets

$264.00

Low Stock
OzSpots Wireless

$216.20

Low Stock
Ezy P.C. Sales

$226.88

Low Stock
Fruugo Australia

$399.00

Low Stock
au.ShopBetter24.com

$209.68

Low Stock
desertcart.com.au

$221.00

Low Stock
Kalugi

$202.00

Low Stock
BeyondTech Electronics

$199.00

Low Stock
Bourne Superstore

$249.00

Low Stock
Newegg.com - BeachAudio - AU

$218.90

Low Stock

cashrewards

0.6% cashback

Technology Centre

$184.00

Low Stock
AusOffice Supplies

$185.03

Low Stock
MPE Computers

$175.00

Low Stock
eBay.com.au - hwdeals4u

$226.55

Low Stock
Mighty Gifts

$200.00

Low Stock
Ed’s PC’s Toombul

$190.00

Low Stock
Newegg.com - Hot Deals 4 Less

$198.00

Low Stock

cashrewards

0.6% cashback

worldtechstore.com.au

$292.74

Low Stock
Raines Internet Solutions

$186.00

Low Stock
CCTV Guru

$261.80

Low Stock
Big Box Computers

$249.00

Low Stock
VTech Industries

$214.00

Low Stock
The Media Joint

$249.00

Low Stock
AliExpress.com

$237.17

Low Stock
Technetics Marketplace

$175.00

Low Stock
Ozsale

$269.95

Low Stock

cashrewards

7% cashback


shopback

Up to 4.2% Cashback

Rhino Computers & Technology

$240.10

Low Stock
Screwloose Online Shop

$225.17

Low Stock
eMEGA Australia

$239.24

Low Stock
Mr Pc Parts

$216.00

Low Stock
Allpcsuplies.com.au

$249.00

Low Stock
techhubfix

$210.81

Low Stock
www.coolquarter.com

$224.13

Low Stock
Mobile Wizard Store

$249.00

Low Stock
desertcart.com.eng-au

$431.00

Low Stock
Unicloud Online Shop

$191.40

Low Stock
Leading Edge Electronics Gladstone Hi-Fi

$249.00

Low Stock
bta-mall

$176.97

Low Stock
PLE Computers

$175.00

Low Stock

cashrewards

1% cashback


shopback

0.80% Cashback

Skycomp Technology

$179.00

Low Stock

cashrewards

0.6% cashback

友和 Yoho

$151.72

Low Stock
www.i-tech.com.au

$184.00

Low Stock
Zotim Online Computers

$169.36

Low Stock
QNAP Shop

$169.00

Low Stock
dcomp.com.au

$179.00

Low Stock
Rosman Australia

$219.00

Low Stock

cashrewards

1% cashback

MSY

$168.00

Low Stock
Umart

$168.00

Low Stock
AUSTiC SHOP

$273.99

Low Stock
Connected Technologies

$308.35

Low Stock
AGZ Technology

$210.00

Low Stock
Campbelltown Computer Repairs

$249.00

Low Stock
www.cx.com.au

$187.00

Low Stock
AusPCMarket

$179.00

Low Stock
Go Click On

$255.30

Low Stock
Newegg.com

$199.10

Low Stock

cashrewards

0.6% cashback

Amazon AU - Amazon.com.au-Seller

$169.00

Low Stock
eBay.com.au - pclan_online

$212.00

Low Stock
eBay.com.au - hammer-tech

$252.95

Low Stock
Ultimate Tech Centre

$249.00

Low Stock
Flashtrend.com.au

$234.90

Low Stock
Mrpcpartsoz

$191.00

Low Stock
Tech4Me

$189.60

Low Stock
iShopTech.com.au

$206.95

Low Stock
Bonanza - CartUSA's booth

$240.25

Low Stock

cashrewards

3.9% cashback

eBay.com.au - cedge_computers

$339.10

Low Stock
Solo Trades

$217.27

Low Stock
Web2 Marketplace

$153.60

Low Stock
eBay.com.au - rarewaves-outlet

$288.63

Low Stock
Mobile Wizard Online

$249.00

Low Stock
eBay.com.au - idirect

$215.99

Low Stock
eBay.com.au - goclickonstore

$224.95

Low Stock
Premium Business IT

$166.32

Low Stock
eBay.com.au - scorptec

$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