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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.

$46.00 - $898.00

in 35 offers

Capacity:

2 TB
3 TB
8 TB
10 TB
12 TB
14 TB

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

$46.00

(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.

Price comparison

Price data powered by pricesAPI.io

Last updated at 02/06/2026 13:23:42

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

$474.63

Western Digital Hard Drive, 4 TB, SATA3, 128 MB, 24/7, Red/Silver/Black

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!

www.i-tech.com.au

$46.00

WD Red Plus WD40EFPX 4TB 3.5" NAS HDD SATA III NAS 5400 RPM 256MB Cache

Save $15 for orders over $500

Mwave Australia

$135.00

Recertified - WD Red Plus 4TB 3.5" SATA III NAS Hard Drive - WD40EFPX

eSaitech

$158.75

WD WD40EFPX Red Plus 4TB 5400RPM SATA-6Gbps Internal HDD

Free delivery between Wed – Mon

eSaitech

$192.17

WD WD40EFPX-RET Red 4TB 5400RPM SATA 3.5" Hard Drive

Free delivery between Wed – Mon

Phaser FPV

$185.95

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

Delivery between 4–10 June $12.70

友和 Yoho

$213.03

Mastercard $100 OFF | WD Red Plus Internal NAS HDD 3.5" - 4TB (WD40EFZZ)

Delivery $24.87

eBay.com.au

$252.00

Western Digital Wd Red Plus 4tb 3.5 Sata Internal Desktop Nas Hard

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!

Skycomp Technology

$259.00

Wd Wd40efzz Red Plus Wd40efzz 4tb 3.5 Nas Hdd Sata Iii Nas 5400 Rpm 128mb Cache

Delivery between 4–10 June $34

microless.com

$260.39

Western Digital Red Plus 4TB SATA 6Gb/s 3.5" NAS Hard Disk Drive, 5400 RPM Class, 64MB Cache, 3D Active Balance Plus, Up to 180 TB/yr Workload Rate, N

Delivery between 5–11 June $46.02

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

$474.63

Western Digital Hard Drive, 4 TB, SATA3, 128 MB, 24/7, Red/Silver/Black

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!

www.i-tech.com.au

$46.00

WD Red Plus WD40EFPX 4TB 3.5" NAS HDD SATA III NAS 5400 RPM 256MB Cache

Save $15 for orders over $500

Mwave Australia

$135.00

Out of stock

Recertified - WD Red Plus 4TB 3.5" SATA III NAS Hard Drive - WD40EFPX

eSaitech

$158.75

Out of stock

WD WD40EFPX Red Plus 4TB 5400RPM SATA-6Gbps Internal HDD

Free delivery between Wed – Mon

eSaitech

$192.17

Out of stock

WD WD40EFPX-RET Red 4TB 5400RPM SATA 3.5" Hard Drive

Free delivery between Wed – Mon

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