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Western Digital WD WD40EFAX 4TB Red 3.5in NAS Hard Drive
Western Digital WD WD40EFAX 4TB Red 3.5in NAS Hard Drive
Western Digital WD WD40EFAX 4TB Red 3.5in NAS Hard Drive
Western Digital WD WD40EFAX 4TB Red 3.5in NAS Hard Drive
Western Digital WD WD40EFAX 4TB Red 3.5in NAS Hard Drive
Western Digital WD WD40EFAX 4TB Red 3.5in NAS Hard Drive
Western Digital WD WD40EFAX 4TB Red 3.5in NAS Hard Drive
Western Digital WD WD40EFAX 4TB Red 3.5in NAS Hard Drive
Western Digital WD WD40EFAX 4TB Red 3.5in NAS Hard Drive
Western Digital WD WD40EFAX 4TB Red 3.5in NAS Hard Drive
Western Digital WD WD40EFAX 4TB Red 3.5in NAS Hard Drive
Western Digital WD WD40EFAX 4TB Red 3.5in NAS Hard Drive
Western Digital WD WD40EFAX 4TB Red 3.5in NAS Hard Drive
Western Digital WD WD40EFAX 4TB Red 3.5in NAS Hard Drive
Western Digital WD WD40EFAX 4TB Red 3.5in NAS Hard Drive

Western Digital WD WD40EFAX 4TB Red 3.5in NAS Hard Drive

(7,163 reviews)

Power Your NAS with WD Red There's a WD Red drive for every compatible NAS system to help fulfill your data storage needs. Built for single-bay to 8-bay NAS systems, WD Red packs the power to store your precious data in one powerhouse unit. With WD Red, you're ready for what's next. WD Red 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. Exclusive NASware 3.0 Not just any drive will do. Get up to 48TB of capacity in your 8-bay system and with WD's exclusive NASware 3.0 technology, you can optimize each and every drive. 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.

Power Your NAS with WD Red There's a WD Red drive for every compatible NAS system to help fulfill your data storage needs. Built for single-bay to 8-bay NAS systems, WD Red packs the power to store your precious data in one powerhouse unit. With WD Red, you're ready for what's next. WD Red 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. Exclusive NASware 3.0 Not just any drive will do. Get up to 48TB of capacity in your 8-bay system and with WD's exclusive NASware 3.0 technology, you can optimize each and every drive. 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.

$145.72

in 1 offers

Western Digital WD WD40EFAX 4TB Red 3.5in NAS Hard Drive

$145.72

(7,163 reviews)

Power Your NAS with WD Red There's a WD Red drive for every compatible NAS system to help fulfill your data storage needs. Built for single-bay to 8-bay NAS systems, WD Red packs the power to store your precious data in one powerhouse unit. With WD Red, you're ready for what's next. WD Red 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. Exclusive NASware 3.0 Not just any drive will do. Get up to 48TB of capacity in your 8-bay system and with WD's exclusive NASware 3.0 technology, you can optimize each and every drive. 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.

Power Your NAS with WD Red There's a WD Red drive for every compatible NAS system to help fulfill your data storage needs. Built for single-bay to 8-bay NAS systems, WD Red packs the power to store your precious data in one powerhouse unit. With WD Red, you're ready for what's next. WD Red 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. Exclusive NASware 3.0 Not just any drive will do. Get up to 48TB of capacity in your 8-bay system and with WD's exclusive NASware 3.0 technology, you can optimize each and every drive. 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.

Price comparison

Last updated at 13/06/2025 20:40:22

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Price history

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Price history

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​

Reviews

Bad product for the WD Red models
15 January 2022
Benoit F.

originally posted on newegg.com

Drive uses slow syncing SMR technology
26 October 2021

originally posted on westerndigital.com

Good, solid NAS drives
18 February 2023
BilboJ

originally posted on scan.co.uk

Specification

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

Price comparison

Updated 1 day ago
eBay

$145.72

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$191.25

Low Stock
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$229.95

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$229.95

Low Stock
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$150.41

Low Stock
desertcart.com.au

$310.00

Low Stock
MyDeal

$236.89

Low Stock

cashrewards

Up to 4.2% cashback


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eBay.com.au - deoptimus

$252.40

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$213.03

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$186.00

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$224.75

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$234.64

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$298.99

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$367.43

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Price history

​
​

Price history

​
​

Reviews

Bad product for the WD Red models
15 January 2022
Benoit F.
originally posted on newegg.com
Drive uses slow syncing SMR technology
26 October 2021
originally posted on westerndigital.com
Good, solid NAS drives
18 February 2023
BilboJ
originally posted on scan.co.uk
Good value for money drives.
25 February 2023
HenryF
originally posted on scan.co.uk
Not suitable for use in a NAS array.
24 April 2021
Anonymous
originally posted on neweggbusiness.com
Out of 3 Drives - 100% failure rate
2 August 2021
sirhawkeye
originally posted on westerndigital.com
This disk should not be sold
4 July 2022
EGI1965
originally posted on westerndigital.com
WD60EFAX - a huge disappointment
3 December 2022
PeterB1
originally posted on westerndigital.com
Western Digital Drives for NAS
17 June 2021
Lodewyk
originally posted on westerndigital.com
Works great in a NAS used for backups.
23 April 2023
ishepperd
originally posted on westerndigital.com

Specification

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