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WD Purple 4TB SATA III 3.5" Internal Surveillance HDD, 5400 RPM

SKU: WDGKN0040HNC MFR: WD43PURZ-SPBWPY0
$99.99
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Key Features

  • This 4TB surveillance HDD offers ample storage for continuous video recording.
  • Rely on this surveillance drive's 1 million hour MTBF for dependable operation.
  • Optimize your security system with a WD Purple HDD designed for 24/7 recording.
  • Enjoy smooth video streams with this drive's fast 150 MB/s read and write speeds.
  • This surveillance hard drive is built to endure harsh environments and temperatures.
  • WD Purple HDD ensures fewer frame losses, providing high-quality video playback.
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Special Order?Estimated to Ship: 08/09/2025
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Questions & Answers

Reviews about this item

Review Summary

2025-04-08T20:00:00

Rated 5 out of 5

Easy to install

Perfect addition to my system, it has doubled the recording capacity, it was very easy to install and it self installs the software.

jose l.

2025-03-10T20:00:00

Rated 5 out of 5

I definitely recommend upgrading your storage capacity.

Great option to add additional storage to your overall system.

B2C C.

2024-12-14T19:00:00

Rated 1 out of 5

This product does not work

This product does not work with the system I purchased , even thou Lorex sale person recommend it?. I had to return it, seems to me that lorex sales personal need to be more educated on their systems!!

Ignacio D.

2024-11-23T19:00:00

Rated 5 out of 5

It's just what I needed.

It's just what I needed.

Justin P.

2024-06-18T20:00:00

Rated 5 out of 5

Works

Hard drive works like it's supposed to. Easy fix besides replacing the whole DVR

Richard B.

2024-06-12T20:00:00

Rated 5 out of 5

Plug and Play, easy installation!

Watched a YT video that gave me step by step instructions. Very easy. Works as expected.

Mark C.

2024-03-04T19:00:00

Rated 5 out of 5

Hard drive

Installed easy.Fired right up and still running fine.

Tim H.

2024-02-27T19:00:00

Rated 5 out of 5

Hard drive

It's working perfectly. The hard drive is saving over two weeks of recordings.

TERRANCE W.

2024-02-21T19:00:00

Rated 5 out of 5

Hours and hours of storage

Hours and hours of storage space

Francis S.

2023-11-09T19:00:00

Rated 5 out of 5

Hard drive Upgrade

Replacing the hard drive was relatively easy. The extra capacity is well needed to extend the recording time.

Wally G.

2023-10-15T20:00:00

Rated 4 out of 5

Works good will consider additional

Works good will consider additional purchases.

brice t.

2023-09-25T20:00:00

Rated 5 out of 5

Professional installed 4 weeks ago

Professional installed 4 weeks ago and working as designed.

Mark J.

2023-08-02T20:00:00

Rated 5 out of 5

Upgraded from 2TB drive to 4TB

Installation was easy and the drive started working as soon as I powered up the NVR. It's been a few weeks and everything is working perfectly. Now I get seven days of 24-7 high-definition recording on six 4K cameras.

Jeffrey Y.

2023-06-13T20:00:00

Rated 5 out of 5

Installer

Great quality hard drive at a good price

Installer B.

2023-06-09T20:00:00

Rated 5 out of 5

Excelente

Excelente

fernando m.

2023-04-05T20:00:00

Rated 5 out of 5

easy to install

Easy to install and adds a lot of storage space

Bunker Y.

2023-03-28T20:00:00

Rated 5 out of 5

Thank you

Thank you

rick s.

2023-03-27T20:00:00

Rated 4 out of 5

Hard drive.

Works great.

m h.

2023-03-26T20:00:00

Rated 5 out of 5

Very happy

100% happy!!

William A.

2023-01-07T19:00:00

Rated 5 out of 5

William G

Very easy to install

william g.

2022-10-31T20:00:00

Rated 2 out of 5

lll

take too long to ship out;;take too long to ship out

llllll

2022-08-30T20:00:00

Rated 4 out of 5

Extra

Very easy too install

Rob M.

2022-08-23T20:00:00

Rated 4 out of 5

added memory

I am satisfied with this add on memory

Gary B.

2022-08-17T20:00:00

Rated 3 out of 5

Ok

Ok

Dave G.

2022-05-09T20:00:00

Rated 5 out of 5

Great system. Still learning how

Great system. Still learning how to use everything

Kenny T.

2022-05-04T20:00:00

Rated 5 out of 5

Great products!

Great products!

Todd M.

2022-04-28T20:00:00

Rated 5 out of 5

Nice pictures!

Nice pictures!

daniel s.

2022-04-27T20:00:00

Rated 5 out of 5

holds over a months worth

holds over a months worth of video in our warehouse

Albert C.

2022-04-27T20:00:00

Rated 5 out of 5

Awesome just what I needed

Awesome just what I needed

Anthony C.

2022-04-23T20:00:00

Rated 5 out of 5

Hard Drive Upgrade

Easy install and working great extending full video HD recording

Henry B.

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

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WD Purple Specifications

Storage

Storage

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  • Capacity

    4 TB

  • Buffer

    64 MB

Performance

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  • Write Speed

    Sequential: 150 MB/s

  • Read Speed

    Sequential: 150 MB/s

Physical

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  • Drive Type

    HDD

  • Form Factor

    3.5"

  • Noise Level

    28.0 dB (Active)
    25.0 dB (Idle)

HDD Specs

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  • Spindle Speed (RPM)

    5400 rpm

Reliability

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  • Endurance (Total Bytes Written)

    180 TB

  • Load/Unload Cycles

    300000

  • Mean Time Between Failures (MTBF)

    1.0 Million Hours

  • Non-Recoverable Read Errors

    Per Bits Read: < 1 in 1014

Electrical

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  • Power Draw

    5.1 W (Active)
    4.5 W (Idle)
    0.5 W (Standby)

Environmental

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  • Operating Shock

    65 G / 2.0 ms

  • Storage Shock

    250 G / 2.0 ms

  • Operating Temperature

    32 to 149 Degree F (0 to 65 Degree C)

  • Storage Temperature

    -40 to 158 Degree F (-40 to 70 Degree C)

General

Jump to...
  • Certifications

    RoHS, as per Manufacturer

  • Dimensions (H x L x W)

    1.06 x 5.79 x 4.02" (27 x 147 x 102mm)

  • Weight

    1.65 lbs (748.4g) ( +/- 10%)

  • UPC Code

    718037898308

About WD Purple

FEATURED REVIEWS

holds over a months worth

By Albert C.

holds over a months worth of video in our warehouse

Easy to install

By jose l.

Perfect addition to my system, it has doubled the recording capacity, it was very easy to install and it self installs the software.

WD Purple drives are built for 24/7, always-on, high-definition security systems. WD Purple surveillance storage features Western Digital's exclusive AllFrame technology, so you can confidently create a security system tailored to the needs of your business. Using AllFrame technology, WD Purple drives improve video capturing and help to reduce errors, pixelation, and video interruptions that could happen in a video recorder system. WD Purple drives have an enhanced workload rating that supports systems designed for 24x7 video recording with up to 64 cameras.

Industry-leading storage. Surveillance you can trust.
Western Digital is a worldwide leader in the hard drive industry. With WD Purple surveillance storage, you have a drive engineered for high temperature, always-on surveillance systems so you can rely on quality video playback when you need it most. Whether you're protecting loved ones or monitoring your business, WD Purple offers performance you can trust.

Western Digital's Exclusive AllFrame Technology
All WD Purple drives are equipped with AllFrame technology, which improves ATA streaming to help reduce frame loss, improve overall video playback, and increase the number of hard drive bays supported within a NVR. Make your surveillance solution future-ready knowing that WD Purple drives are ready for ultra high definition cameras. WD Purple capacities up to 6TB feature AllFrame 4K technology enabling high quality recording for up to 64 cameras.

Enhanced Workload Ratings
WD Purple drives with AllFrame 4K technology feature a workload rating of up to 180TB/year- up to three times that of desktop drives - to handle the unique demands of modern video surveillance DVR and NVR systems. WD Purple with AllFrame AI feature a workload rating up to 360TB/year to support the Deep Learning analytics that is featured in AI capable NVRs.

Expand your view to 64
Each WD Purple drive is optimized to support up to 64 cameras. With so many options, you have the flexibility to upgrade or expand your security system in the future.

Designed for Today's and Tomorrow's Surveillance Solutions
With an MTBF of up to 1.5 million hours, WD Purple drives are engineered for mainstream surveillance DVRs and NVRs that operate 24/7. With support for more than eight bays and tarnish resistant components, WD Purple drives deliver reliable operation in large scale surveillance systems in harsh environments.

Field-proven High Capacity
Now on its 5th generation, field-proven HelioSeal technology delivers trusted high-capacity WD Purple storage for the massive storage needs of 4K surveillance video and Deep Learning analytics.

Wide Compatibility. Seamless Integration.
WD Purple hard drives are built with compatibility in mind, so you can quickly and seamlessly add capacity to your surveillance system. With a wide range of industry-leading enclosures and chipsets supported, you're sure to find the DVR or NVR configuration that's right for you.

Low Power. High Efficiency.
With our exclusive IntelliSeek technology, WD Purple drives are able to calculate optimum seek speeds. This keeps power consumption low so ambient noise and vibrations are at a minimum.

The Western Digital Advantage
Western Digital puts our products through extensive Functional Integrity Testing (F.I.T.) prior to any product launch. This testing ensures our products consistently meet the highest quality and reliability standards of the Western Digital brand.

Western Digital also has a detailed Knowledge Base with more than 1,000 helpful articles as well as software and utilities. Our customer support lines have long operational hours to ensure you get the help you need when you need it. Our toll-free customer support lines are here to help, or you can access our Western Digital Support site for additional details.

WD Purple Features

  • 4TB Storage Capacity
  • Support for up to 64 cameras per drive
  • AllFrame Technology
  • MTBF of up to 1.5 million hours

Key Features

  • This 4TB surveillance HDD offers ample storage for continuous video recording.
  • Rely on this surveillance drive's 1 million hour MTBF for dependable operation.
  • Optimize your security system with a WD Purple HDD designed for 24/7 recording.
  • Enjoy smooth video streams with this drive's fast 150 MB/s read and write speeds.
  • This surveillance hard drive is built to endure harsh environments and temperatures.
  • WD Purple HDD ensures fewer frame losses, providing high-quality video playback.

What's in the box:

  • WD Purple 4TB SATA III 3.5" Internal Surveillance HDD
  • WD 3 Year Limited Warranty