Free shipping is avaiable on orders over $99 excluding GST and excludes bulk items.
If your order mixes bulk and non-bulk items, you will be charged freight as normal. You can always put an order in for the bulk items and another for your non-bulk items to avoid shipping (but the non-bulk order must exceed $99 ex GST).
The system calculates shipping automatically. Free shipping will be designated as such on the Options page of the Checkout.
We reserve the right to charge freight as normal or to end this promotion without warning.
Errors may occur and we will try to honour the order as purchased but this may not always be possible.
You may not mind being followed around the internet with the likes of Google and advertisers watching your every move. But we don't. So you won't find any trackers on our store.
Obviously, we set a cookie when you arrive to handle your session, but that is as far as things go.
See who is tracking you
You also might want to see this
Item added to your cart Cart Checkout

Western Digital Red 3.5" 4000 GB Serial ATA III


Product Code: WD40EFRX

Manufacturer: WD

Category: Internal Hard Drives

Short Description: Western Digital Red, 3.5", 4000 GB, 5400 RPM

We have 5 suppliers for this product

Supplier 1

Product Name: WD40EFRX

Price 1: NZ$231.50 inc GST

Stock: 1

Ships from: Albany, Auckland

Price & stock last updated: 2020-10-25 08:10:06
2019-06-11 NZ$236.38
2019-09-03 NZ$233.93
2019-10-26 NZ$237.60
2020-01-16 NZ$245.41
2020-01-28 NZ$237.60
2020-01-29 NZ$234.26
2020-01-31 NZ$233.14
2020-02-23 NZ$225.93
2020-03-17 NZ$241.55
2020-03-20 NZ$263.18
2020-04-21 NZ$277.04
2020-10-15 NZ$231.50
Doolz ID: 186
Supplier 2

Product Name: WD Red Plus SATA 3.5" Intellipower 64MB 4TB NAS HDD 3Yr Wty

Price 2: NZ$234.03 inc GST

Stock: 21

Ships from: Penrose, Auckland

Price & stock last updated: 2020-10-24 21:05:10
2019-06-11 NZ$237.05
2020-01-16 NZ$244.84
2020-04-21 NZ$244.84
Doolz ID: 143865
Supplier 3


Price 3: NZ$223.91 inc GST

Stock: 30

Ships from: Highbrook, Auckland

Price & stock last updated: 2020-10-25 05:05:12
2019-06-11 NZ$225.35
2019-08-28 NZ$227.80
2019-10-09 NZ$229.03
2019-11-21 NZ$240.05
2020-01-17 NZ$247.94
2020-01-29 NZ$240.05
2020-01-30 NZ$236.67
2020-02-01 NZ$235.54
2020-02-17 NZ$231.94
2020-08-26 NZ$223.91
Doolz ID: 169487
Supplier 4

Product Name: WD Red Plus SATA 3.5" Intellipower 64MB 4TB NAS HDD 3Yr Wty

Price 4: NZ$234.03 inc GST

Stock: 21

Ships from: Te Aro, Wellington

Price & stock last updated: 2020-10-24 21:10:09
2019-06-11 NZ$237.05
2020-01-16 NZ$244.84
2020-04-21 NZ$244.84
Doolz ID: 219221
Supplier 5

Product Name: WD Red Plus SATA 3.5" Intellipower 64MB 4TB NAS HDD 3Yr Wty

Price 5: NZ$234.03 inc GST

Stock: 21

Ships from: Middleton, Christchurch

Price & stock last updated: 2020-10-24 21:15:10
2019-06-11 NZ$237.05
2020-01-16 NZ$244.84
2020-04-21 NZ$244.84
Doolz ID: 243821

Every effort is made to ensure the image(s) and/or product details are correct, but we cannot guarantee that they are. You should always check with us FIRST if you have specific requirements.


4TB, 3.5", SATA 6Gb/s, 5400 RPM, 64MB

Western Digital Red. HDD size: 3.5", HDD capacity: 4000 GB, HDD speed: 5400 RPM

Key Features



    Stream, backup, organize and effortlessly share your digital content to your TV, PC and more. NASware technology increases your drives' compatibility with your NAS system, for better playback with your devices.


    Businesses thrive on productivity and efficiency, two guiding principles built into the design of the WD Red drive. Share and backup files at the speed of your business with a WD Red drive in your NAS.


    Looking for maximum performance in a heavy use NAS? The WD Red Pro drive is designed to handle an increase in workload and system demand and features a 5-year limited warranty.


    Desktop drives aren't purpose-built for NAS. But WD Red drives with NASware 3.0 are. Our exclusive technology takes the guesswork out of selecting a drive. We can help you find the perfect storage for your NAS system.


FILL YOUR NAS WITH RED. THEN FILL IT WITH AWESOME. With drives up to 10TB, the WD Red drive is built for single-bay to 8-bay NAS systems and packs the capacity to store your precious data in one powerhouse unit. Cooler Temperatures By reducing power consumption, the operating temperature of your NAS stays cool. With a lower temperature in your system, you can create a more reliable solution for your NAS. Built for NAS Compatibility WD Red drives with NASware technology are purpose-built to balance performance and reliability in NAS and RAID environments. Desktop Drive vs. WD Red Drive A desktop hard drive is not typically tested and designed for NAS environments. WD Red has features such as NAS compatibility, increased reliability and more. WD RED. BUILT FOR NAS. Equip your NAS with WD Red hard drives and enjoy streaming your media, backing up your PCs, sharing your files, and managing your digital content quickly and easily. 3D Active Balance Plus Helps to ensure your data is protected from excessive vibration and noise in a NAS or RAID environment. This dual-plane balance control maintains your drive-s performance over time. Premium Support and a 3-year Limited Warranty Confidently upgrade to the best in NAS drive performance with the assurance of a 3-year limited warranty and world-class support services included with every WD Red drive. 24/7 Reliability Since your NAS system is always on, a highly reliable drive is essential for long term reliability. Desktop drives are not designed and tested in 24x7 conditions, which is a foundation of WD Red NAS hard drives. EXCLUSIVE TECHNOLOGY Seamless integration, robust data protection and optimal performance for NAS systems under heavy demand.


HDD size3.5"
HDD capacity4000 GB
HDD speed5400 RPM
InterfaceSerial ATA III
Component forNAS
Storage drive buffer size64 MB
HDD interface transfer rate6 Gbit/s
HDD sustained transfer rate150 MiB/s
Start/stop cycles600000
Mean time between failures (MTBF)1000000 h
RoHS complianceY
Power consumption (standby)0.4 W
Power consumption (read)4.5 W
Power consumption (write)4.5 W
Power consumption (idle)3.3 W
Operating voltage5 / 12 V
Start-up current1.75 A
Operating temperature (T-T)0 - 65 -C
Storage temperature (T-T)-40 - 70 -C
Operating shock30 G
Non-operating shock250 G
Width101.6 mm
Height26.1 mm
Depth147 mm
Weight680 g
Storage drive adapter includedN

Other Multimedia

WD Purpose Campaign Red Attract (15 sec) 31095058_349117445.mp4
WD Purpose Campaign Red Attract (30 sec) 31095058_774117884.mp4
WD Red Features 31095058_332117884.mp4
Hard Drive Facts 31095058_150820676.mp4
Proper Handling of WD Hard Drives Brochure mmo_31095058_1496050226_9363_5142.pdf
WD Internal Drives Model Number Sheet mmo_31095058_1496050277_692_31784.pdf
Some of these may not exist; we do not manage these files

Recent Products

Loading recent products

Lifetime Hits: 243 Doolz ID: 186 Price is subject to change without notice. Price and Stock last updated 25 October 2020