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- 9%
Western Digital WD WD40EFZX 4TB Red Plus NAS 3.5" HDD
Western Digital WD WD40EFZX 4TB Red Plus NAS 3.5" HDD
Western Digital WD WD40EFZX 4TB Red Plus NAS 3.5" HDD
Western Digital WD WD40EFZX 4TB Red Plus NAS 3.5" HDD
Western Digital WD WD40EFZX 4TB Red Plus NAS 3.5" HDD
Western Digital WD WD40EFZX 4TB Red Plus NAS 3.5" HDD
Western Digital WD WD40EFZX 4TB Red Plus NAS 3.5" HDD
Western Digital WD WD40EFZX 4TB Red Plus NAS 3.5" HDD
Western Digital WD WD40EFZX 4TB Red Plus NAS 3.5" HDD
Western Digital WD WD40EFZX 4TB Red Plus NAS 3.5" HDD
Western Digital WD WD40EFZX 4TB Red Plus NAS 3.5" HDD
Western Digital WD WD40EFZX 4TB Red Plus NAS 3.5" HDD

Western Digital WD WD40EFZX 4TB Red Plus NAS 3.5" HDD

(6,997 reviews)

Stream, backup, share, and organize your digital content with a NAS and WD Red Plus drives designed to effortlessly share content with the devices at your home or business. NASware 3.0 technology increases your drives' compatibility with your existing network and devices. For larger businesses with up to 24 bays, count on WD Red Pro drives to deliver exceptional performance. Not just any drive will do. Get up to 112TB of capacity in your 8-bay NAS system and with Western Digital's exclusive NASware 3.0 technology, you can optimize each and every drive. Built into every WD Red Plus hard drive, NASware 3.0's advanced technology improves storage performance by increasing compatibility, integration, upgradeability, and reliability. WD Red Plus drives with NASware technology takes the guesswork out of selecting a drive. Optimized for NAS systems, our unique algorithm balances performance and reliability in NAS and RAID environments. Simply put, a WD Red Plus drive is one of the most compatible drives available for NAS enclosures. But don't take our word for it. WD Red Plus drives are a reflection of extensive NAS partner technology engagement and compatibility-testing. Our enhanced dual-plane balance control technology significantly improves the overall drive performance and reliability. Hard drives that are not properly balanced may cause excessive vibration and noise in a multi-drive system, reduce the hard drive life span, and degrade the performance over time.

Stream, backup, share, and organize your digital content with a NAS and WD Red Plus drives designed to effortlessly share content with the devices at your home or business. NASware 3.0 technology increases your drives' compatibility with your existing network and devices. For larger businesses with up to 24 bays, count on WD Red Pro drives to deliver exceptional performance. Not just any drive will do. Get up to 112TB of capacity in your 8-bay NAS system and with Western Digital's exclusive NASware 3.0 technology, you can optimize each and every drive. Built into every WD Red Plus hard drive, NASware 3.0's advanced technology improves storage performance by increasing compatibility, integration, upgradeability, and reliability. WD Red Plus drives with NASware technology takes the guesswork out of selecting a drive. Optimized for NAS systems, our unique algorithm balances performance and reliability in NAS and RAID environments. Simply put, a WD Red Plus drive is one of the most compatible drives available for NAS enclosures. But don't take our word for it. WD Red Plus drives are a reflection of extensive NAS partner technology engagement and compatibility-testing. Our enhanced dual-plane balance control technology significantly improves the overall drive performance and reliability. Hard drives that are not properly balanced may cause excessive vibration and noise in a multi-drive system, reduce the hard drive life span, and degrade the performance over time.

$154.00 - $519.00

in 19 offers

last seen 25 Oct 2026

The lowest price we last saw for Western Digital WD WD40EFZX 4TB Red Plus NAS 3.5" HDD was , compared across 16 retailers (last seen 25 Oct 2026). Prices may have changed since.

Western Digital WD WD40EFZX 4TB Red Plus NAS 3.5" HDD

$154.00

last seen 25 Oct 2026
(6,997 reviews)

Stream, backup, share, and organize your digital content with a NAS and WD Red Plus drives designed to effortlessly share content with the devices at your home or business. NASware 3.0 technology increases your drives' compatibility with your existing network and devices. For larger businesses with up to 24 bays, count on WD Red Pro drives to deliver exceptional performance. Not just any drive will do. Get up to 112TB of capacity in your 8-bay NAS system and with Western Digital's exclusive NASware 3.0 technology, you can optimize each and every drive. Built into every WD Red Plus hard drive, NASware 3.0's advanced technology improves storage performance by increasing compatibility, integration, upgradeability, and reliability. WD Red Plus drives with NASware technology takes the guesswork out of selecting a drive. Optimized for NAS systems, our unique algorithm balances performance and reliability in NAS and RAID environments. Simply put, a WD Red Plus drive is one of the most compatible drives available for NAS enclosures. But don't take our word for it. WD Red Plus drives are a reflection of extensive NAS partner technology engagement and compatibility-testing. Our enhanced dual-plane balance control technology significantly improves the overall drive performance and reliability. Hard drives that are not properly balanced may cause excessive vibration and noise in a multi-drive system, reduce the hard drive life span, and degrade the performance over time.

Stream, backup, share, and organize your digital content with a NAS and WD Red Plus drives designed to effortlessly share content with the devices at your home or business. NASware 3.0 technology increases your drives' compatibility with your existing network and devices. For larger businesses with up to 24 bays, count on WD Red Pro drives to deliver exceptional performance. Not just any drive will do. Get up to 112TB of capacity in your 8-bay NAS system and with Western Digital's exclusive NASware 3.0 technology, you can optimize each and every drive. Built into every WD Red Plus hard drive, NASware 3.0's advanced technology improves storage performance by increasing compatibility, integration, upgradeability, and reliability. WD Red Plus drives with NASware technology takes the guesswork out of selecting a drive. Optimized for NAS systems, our unique algorithm balances performance and reliability in NAS and RAID environments. Simply put, a WD Red Plus drive is one of the most compatible drives available for NAS enclosures. But don't take our word for it. WD Red Plus drives are a reflection of extensive NAS partner technology engagement and compatibility-testing. Our enhanced dual-plane balance control technology significantly improves the overall drive performance and reliability. Hard drives that are not properly balanced may cause excessive vibration and noise in a multi-drive system, reduce the hard drive life span, and degrade the performance over time.

$154.00
at Reboot IT Refurbished Computers

The all-time low we recorded was $43.00 on 5 June 2026.

Prices last updated 25 Oct 2026.

Capacity:

1 TB
2TB / 64MB
3 TB
4TB / 256MB
4TB / 6GB / 128MB
6 TB
8 TB
10 TB
12 TB
12TB / 256MB
14TB / 512MB

Price comparison

Price data powered by pricesAPI.io

Last updated at 25/10/2026 17:14:53

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=reboot-it.com.au&sz=64Reboot IT Refurbished Computers

$154.00

WD RED PLUS 4TB 3.5" NAS HDD WD40EFZX | Reboot IT

30-day returns

https://www.google.com/s2/favicons?domain=smartx.en.made-in-china.com&sz=64Made-in-China.com

$169.30

Wd Red Plus 4tb SATA Hard Drive for Nas Systems

Free delivery

https://www.google.com/s2/favicons?domain=made-in-china.com&sz=64Made-in-China.com

$172.14

Western Digital 4tb Red Plus 5400rpm SATA 6GB 3.5" Nas HDD

Free delivery

https://www.google.com/s2/favicons?domain=phaserfpv.com.au&sz=64Phaser FPV

$185.95

Western Digital 4TB Red Plus NAS WD40EFZX 3.5" HDD [PC]

Delivery between 27 Oct – 2 Nov $12.70

https://www.google.com/s2/favicons?domain=ebay.com.au&sz=64eBay.com.au

$226.55

Western Digital Red Wd40efzx Wd40efzx-68awun0 4tb Sata 3.5" 128mb

Free delivery

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!

https://www.google.com/s2/favicons?domain=everyday.com.au&sz=64Everyday Rewards

$268.02

Western Digital WD Red Plus 4TB 3.5' NAS HDD SATA III NAS Hard Drive 5400 RPM 256MB Cache 180MB/S 1mil Hours MTBF 180TB/Year (WD40EFPX)

Free delivery between Wed – Sat

https://www.google.com/s2/favicons?domain=aliexpress.com&sz=64AliExpress.com - AliExpress-226247430

$332.69

Brand New WD Red Plus 4TB HDD Nas Internal Hard Drive Disk 3.5" WD40EFZZ 5400RPM SATA 6Gb/s Harddisk

Free delivery

https://www.google.com/s2/favicons?domain=goodmayesonline.com.au&sz=64Goodmayes Online

$346.00

Western Digital WD Red Plus 4TB 3.5' NAS HDD SATA III NAS Hard Drive 5400 RPM 128MB Cache 180MB/S 180TB/Year 3Y warranty (WD40EFZZ)

https://www.google.com/s2/favicons?domain=techloop.com.au&sz=64TechLoop

$356.87

Western Digital WD Red Plus 4TB 3.5" NAS HDD SATA III 5400 RPM 128MB Cache

Delivery between Tue – Wed $15

https://www.google.com/s2/favicons?domain=disctech.com&sz=64DiscTech.com

$368.47

Western Digital RED WD40EFZX 4TB 128MB Cache 3.5" NAS SATA

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Specification

General
Device TypeHard drive - internal
Capacity4 TB
Form Factor3.5"
InterfaceSATA 6Gb/s

Price comparison

Updated 13 days ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=reboot-it.com.au&sz=64
Reboot IT Refurbished Computers

$154.00

Out of stock

WD RED PLUS 4TB 3.5" NAS HDD WD40EFZX | Reboot IT

30-day returns

https://www.google.com/s2/favicons?domain=smartx.en.made-in-china.com&sz=64
Made-in-China.com

$169.30

Wd Red Plus 4tb SATA Hard Drive for Nas Systems

Free delivery

https://www.google.com/s2/favicons?domain=made-in-china.com&sz=64
Made-in-China.com

$172.14

Western Digital 4tb Red Plus 5400rpm SATA 6GB 3.5" Nas HDD

Free delivery

https://www.google.com/s2/favicons?domain=phaserfpv.com.au&sz=64
Phaser FPV

$185.95

Out of stock

Western Digital 4TB Red Plus NAS WD40EFZX 3.5" HDD [PC]

Delivery between 27 Oct – 2 Nov $12.70

https://www.google.com/s2/favicons?domain=ebay.com.au&sz=64
eBay.com.au

$226.55

Western Digital Red Wd40efzx Wd40efzx-68awun0 4tb Sata 3.5" 128mb

Free delivery

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!

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Specification

General
Device TypeHard drive - internal
Capacity4 TB
Form Factor3.5"
InterfaceSATA 6Gb/s

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