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WD Purple WD42PURZ 4TB 3.5" Surveillance HDD
WD Purple WD42PURZ 4TB 3.5" Surveillance HDD
WD Purple WD42PURZ 4TB 3.5" Surveillance HDD
WD Purple WD42PURZ 4TB 3.5" Surveillance HDD
WD Purple WD42PURZ 4TB 3.5" Surveillance HDD
WD Purple WD42PURZ 4TB 3.5" Surveillance HDD
WD Purple WD42PURZ 4TB 3.5" Surveillance HDD
WD Purple WD42PURZ 4TB 3.5" Surveillance HDD
WD Purple WD42PURZ 4TB 3.5" Surveillance HDD
WD Purple WD42PURZ 4TB 3.5" Surveillance HDD

WD Purple WD42PURZ 4TB 3.5" Surveillance HDD

(9,788 reviews)

Engineered specifically for mainstream surveillance systems. AllFrame technology delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications. Supports up to 180 TB/yr workload rate². | ²Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations. 1TB¹ through 3TB support up to eight bays; 4TB and above support up to 16 bays and employ tarnish-resistant components for harsher environments. ¹As used for storage capacity, 1TB = one trillion bytes. Actual user capacity may be less, depending on operating environment.

Engineered specifically for mainstream surveillance systems. AllFrame technology delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications. Supports up to 180 TB/yr workload rate². | ²Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations. 1TB¹ through 3TB support up to eight bays; 4TB and above support up to 16 bays and employ tarnish-resistant components for harsher environments. ¹As used for storage capacity, 1TB = one trillion bytes. Actual user capacity may be less, depending on operating environment.

$137.70 - $253.00

in 4 offers

Capacity:

10 TB

WD Purple WD42PURZ 4TB 3.5" Surveillance HDD

$137.70

(9,788 reviews)

Engineered specifically for mainstream surveillance systems. AllFrame technology delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications. Supports up to 180 TB/yr workload rate². | ²Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations. 1TB¹ through 3TB support up to eight bays; 4TB and above support up to 16 bays and employ tarnish-resistant components for harsher environments. ¹As used for storage capacity, 1TB = one trillion bytes. Actual user capacity may be less, depending on operating environment.

Engineered specifically for mainstream surveillance systems. AllFrame technology delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications. Supports up to 180 TB/yr workload rate². | ²Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations. 1TB¹ through 3TB support up to eight bays; 4TB and above support up to 16 bays and employ tarnish-resistant components for harsher environments. ¹As used for storage capacity, 1TB = one trillion bytes. Actual user capacity may be less, depending on operating environment.

Capacity

4 TB
​

Price comparison

Last updated at 17/07/2025 21:35:43

eBay

$90.00

Used

available 7 days ago

Low stock


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Tech Gate Australia

$137.70

+ $12.99 delivery

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TechCart

$148.75

+ $48.00 delivery

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MyDeal

$153.90

+ $12.99 delivery

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cashrewards

Up to 4.2% cashback

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Up to 3.6% Cashback

Woolworths

$153.90

available 3 days ago

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Network Hardwares

$253.00

+ $68.00 delivery

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Snapklik AU

$146.07

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available about 1 month ago

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$149.00

available about 1 month ago

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$194.95

available 3 months ago

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$155.00

available 9 months ago

Low stock

eBay.com.au - servers_are_us

$147.23

available 10 months ago

Low stock


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MPE Computers

$165.00

available 10 months ago

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Eagle Square Lighting & Electricity

$185.90

available 11 months ago

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The Media Joint

$219.00

available 12 months ago

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eBay.com.au

$153.76

available 12 months ago

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CCTV Security Camera Warehouse

$199.00

available 12 months ago

Low stock

eBay.com.au - techbuyer_australia

$148.00

available about 1 year ago

Low stock


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!

Zylax Computers

$245.00

available about 1 year ago

Low stock

CTC Security

$247.25

available about 1 year ago

Low stock

eBay.com.au - budgetmateau01

$160.95

available about 1 year ago

Low stock


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!

AliExpress.com

$245.70

available about 1 year ago

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Allpcsuplies.com.au

$219.00

available about 1 year ago

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Big Box Computers

$219.00

available about 1 year ago

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LnR Gaming

$160.48

available about 1 year ago

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eBay.com.au - eeeshop

$307.95

available over 1 year ago

Low stock


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!

itnest.com.au

$180.65

available over 1 year ago

Low stock

mtsssecurity.com.au

$216.70

available over 1 year ago

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Kalugi

$154.00

available over 1 year ago

Low stock

Techx Services

$158.00

available over 1 year ago

Low stock

eBay.com.au - youritdelivered

$196.42

available over 1 year ago

Low stock


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Ripper Online

$190.00

available over 1 year ago

Low stock

Device Deal

$148.00

available over 1 year ago

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SB Technology

$162.36

available over 1 year ago

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BroadScope Computers

$187.00

available over 1 year ago

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au.ShopBetter24.com

$146.42

available over 1 year ago

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Kogan.com

$159.00

available over 1 year ago

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Ultimate Tech Centre

$219.00

available over 1 year ago

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Newegg.com

$196.90

available over 1 year ago

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cashrewards

0.6% cashback

Newegg.com - BeachAudio - AU

$196.90

available over 1 year ago

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cashrewards

0.6% cashback

Appleby & Co

$221.40

available almost 2 years ago

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VIPC

$159.99

available almost 2 years ago

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AZAU

$164.00

available almost 2 years ago

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Catch.com.au

$189.00

available almost 2 years ago

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PCByte AU

$149.00

available almost 2 years ago

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Crox Development

$135.00

available almost 2 years ago

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eBay.com.au - hannguye_879

$205.00

available almost 2 years ago

Low stock


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Access Antennas

$199.00

available almost 2 years ago

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Wireless 1

$153.04

available almost 2 years ago

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cashrewards

Up to 0.9% cashback

www.cx.com.au

$160.00

available almost 2 years ago

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Top Electrical

$128.00

available almost 2 years ago

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Newegg.com - PlatinumMicro

$166.10

available almost 2 years ago

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cashrewards

0.6% cashback

MSY

$131.00

available almost 2 years ago

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Umart

$131.00

available almost 2 years ago

Low stock

eBay.com.au - ninja.buy

$164.00

available almost 2 years ago

Low stock


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dcomp.com.au

$149.00

available almost 2 years ago

Low stock

Dick Smith AU

$159.00

available almost 2 years ago

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iShopTech.com.au

$174.95

available almost 2 years ago

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PB Tech

$193.67

available almost 2 years ago

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CTC Communications

$272.25

available almost 2 years ago

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$137.30

available almost 2 years ago

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$163.90

available almost 2 years ago

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B&H Photo-Video-Audio

$137.05

available almost 2 years ago

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Flashtrend.com.au

$176.85

available almost 2 years ago

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CCTV Masters

$166.00

available almost 2 years ago

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VP Security

$262.00

available almost 2 years ago

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SaveOnIT.com.au

$139.13

available almost 2 years ago

Low stock

Scorptec

$149.00

available almost 2 years ago

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cashrewards

0.7% cashback

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JW Computers

$145.00

available almost 2 years ago

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Ubiquiti Store Australia

$155.03

available almost 2 years ago

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Technology Centre

$169.00

available about 2 years ago

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The Telecom Shop.com

$213.57

available about 2 years ago

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Storm Computers

$159.00

available about 2 years ago

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Centre Com

$145.00

available about 2 years ago

Low stock

Web2 Marketplace

$157.20

available about 2 years ago

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eBay.com.au - scorptec

$157.41

available about 2 years ago

Low stock


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!

PLE Computers

$143.00

available about 2 years ago

Low stock


cashrewards

1% cashback

shopback

0.80% Cashback

eBay.com.au - camdentools

$248.61

available about 2 years ago

Low stock


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!

CCTV Guru

$166.00

available about 2 years ago

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techbitznpcs

$179.00

available about 2 years ago

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CompuCoast

$143.22

available about 2 years ago

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eBay.com.au - futuregear

$179.58

available about 2 years ago

Low stock


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!

Simply Wholesale

$199.95

available about 2 years ago

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cashrewards

3.2% cashback

Playthek.com

$145.31

available about 2 years ago

Low stock

www.i-tech.com.au

$165.00

available about 2 years ago

Low stock

The Electrical Guys

$128.00

available about 2 years ago

Low stock

Computer Alliance

$145.00

available about 2 years ago

Low stock

Price history

​
​

Price history

​
​

Reviews

28 October 2022

originally posted on pbtech.co.nz

4GB WD Purple Surveillance Hard Drive
15 January 2022
Bigdon

originally posted on westerndigital.com

Commercial grade at a fair price
22 December 2021
OfficePro

originally posted on westerndigital.com

Specification

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

Price comparison

Updated about 22 hours ago
eBay

$90.00

Used
Low Stock
Tech Gate Australia

$137.70

+$12.99 delivery
TechCart

$148.75

+$48.00 delivery
MyDeal

$153.90

+$12.99 delivery

cashrewards

Up to 4.2% cashback


shopback

Up to 3.6% Cashback

Woolworths

$153.90

Low Stock

See 80 more history offers

Snapklik AU

$146.07

Refurbished
Low Stock
RxTx

$149.00

Low Stock
Leading Edge Electronics Gladstone Hi-Fi

$194.95

Low Stock
Tekcart

$155.00

Low Stock
eBay.com.au - servers_are_us

$147.23

Low Stock
MPE Computers

$165.00

Low Stock
Eagle Square Lighting & Electricity

$185.90

Low Stock
The Media Joint

$219.00

Low Stock
eBay.com.au

$153.76

Low Stock
CCTV Security Camera Warehouse

$199.00

Low Stock
eBay.com.au - techbuyer_australia

$148.00

Low Stock
Zylax Computers

$245.00

Low Stock
CTC Security

$247.25

Low Stock
eBay.com.au - budgetmateau01

$160.95

Low Stock
AliExpress.com

$245.70

Low Stock
Allpcsuplies.com.au

$219.00

Low Stock
Big Box Computers

$219.00

Low Stock
LnR Gaming

$160.48

Low Stock
eBay.com.au - eeeshop

$307.95

Low Stock
itnest.com.au

$180.65

Low Stock
mtsssecurity.com.au

$216.70

Low Stock
Kalugi

$154.00

Low Stock
Techx Services

$158.00

Low Stock
eBay.com.au - youritdelivered

$196.42

Low Stock
Ripper Online

$190.00

Low Stock
Device Deal

$148.00

Low Stock
SB Technology

$162.36

Low Stock
BroadScope Computers

$187.00

Low Stock
au.ShopBetter24.com

$146.42

Low Stock
Kogan.com

$159.00

Low Stock
Ultimate Tech Centre

$219.00

Low Stock
Newegg.com

$196.90

Low Stock

cashrewards

0.6% cashback

Newegg.com - BeachAudio - AU

$196.90

Low Stock

cashrewards

0.6% cashback

Appleby & Co

$221.40

Low Stock
VIPC

$159.99

Low Stock
AZAU

$164.00

Low Stock
Catch.com.au

$189.00

Low Stock
PCByte AU

$149.00

Low Stock
Crox Development

$135.00

Low Stock
eBay.com.au - hannguye_879

$205.00

Low Stock
Access Antennas

$199.00

Low Stock
Wireless 1

$153.04

Low Stock

cashrewards

Up to 0.9% cashback

www.cx.com.au

$160.00

Low Stock
Top Electrical

$128.00

Low Stock
Newegg.com - PlatinumMicro

$166.10

Low Stock

cashrewards

0.6% cashback

MSY

$131.00

Low Stock
Umart

$131.00

Low Stock
eBay.com.au - ninja.buy

$164.00

Low Stock
dcomp.com.au

$149.00

Low Stock
Dick Smith AU

$159.00

Low Stock
iShopTech.com.au

$174.95

Low Stock
PB Tech

$193.67

Low Stock
CTC Communications

$272.25

Low Stock
Schnap Electric Products

$137.30

Low Stock
Newegg.com - newegg.com Australia

$163.90

Low Stock

cashrewards

0.6% cashback

B&H Photo-Video-Audio

$137.05

Low Stock
Flashtrend.com.au

$176.85

Low Stock
CCTV Masters

$166.00

Low Stock
VP Security

$262.00

Low Stock
SaveOnIT.com.au

$139.13

Low Stock
Scorptec

$149.00

Low Stock

cashrewards

0.7% cashback


shopback

Temporarily unavailable

JW Computers

$145.00

Low Stock
Ubiquiti Store Australia

$155.03

Low Stock
Technology Centre

$169.00

Low Stock
The Telecom Shop.com

$213.57

Low Stock
Storm Computers

$159.00

Low Stock
Centre Com

$145.00

Low Stock
Web2 Marketplace

$157.20

Low Stock
eBay.com.au - scorptec

$157.41

Low Stock
PLE Computers

$143.00

Low Stock

cashrewards

1% cashback


shopback

0.80% Cashback

eBay.com.au - camdentools

$248.61

Low Stock
CCTV Guru

$166.00

Low Stock
techbitznpcs

$179.00

Low Stock
CompuCoast

$143.22

Low Stock
eBay.com.au - futuregear

$179.58

Low Stock
Simply Wholesale

$199.95

Low Stock

cashrewards

3.2% cashback

Playthek.com

$145.31

Low Stock
www.i-tech.com.au

$165.00

Low Stock
The Electrical Guys

$128.00

Low Stock
Computer Alliance

$145.00

Low Stock

Price history

​
​

Price history

​
​

Reviews

28 October 2022
originally posted on pbtech.co.nz
4GB WD Purple Surveillance Hard Drive
15 January 2022
Bigdon
originally posted on westerndigital.com
Commercial grade at a fair price
22 December 2021
OfficePro
originally posted on westerndigital.com
Dependable surveillance drive
14 November 2022
Matthew
originally posted on bhphotovideo.com
Great swcurity camera drive.
7 January 2023
M43tango
originally posted on westerndigital.com
Great upgrade from a 3TB 5400 rpm WD Purple
7 January 2022
Harold
originally posted on bhphotovideo.com
Hikvision NVR
21 March 2023
Electrichorseman
originally posted on westerndigital.com
Perfect for Video Surveillance!
17 July 2022
Taylor
originally posted on bhphotovideo.com
Reliable drives for for critical applications.
16 April 2023
Bill B.
originally posted on westerndigital.com
Reliable movie server drive
20 February 2022
NeilM
originally posted on westerndigital.com

Specification

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