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WD Purple 4TB Surveillance Hard Disc Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 8.9cm - WD40PURX
WD Purple 4TB Surveillance Hard Disc Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 8.9cm - WD40PURX
WD Purple 4TB Surveillance Hard Disc Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 8.9cm - WD40PURX
WD Purple 4TB Surveillance Hard Disc Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 8.9cm - WD40PURX
WD Purple 4TB Surveillance Hard Disc Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 8.9cm - WD40PURX
WD Purple 4TB Surveillance Hard Disc Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 8.9cm - WD40PURX
WD Purple 4TB Surveillance Hard Disc Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 8.9cm - WD40PURX
WD Purple 4TB Surveillance Hard Disc Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 8.9cm - WD40PURX
WD Purple 4TB Surveillance Hard Disc Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 8.9cm - WD40PURX

WD Purple 4TB Surveillance Hard Disc Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 8.9cm - WD40PURX

(9,965 reviews)

WD Purple Surveillance Storage offers exclusive AllFrame technology to bring you premium reliability and peace-of-mind when installing your home or small to medium business security system. WD Purple's exclusive firmware upgrades work with ATA streaming to reduce error pixilation and video interruptions that occur when desktop hard drives are incorrectly used as storage in security systems. WD Purple Surveillance Storage is built for 24/7, always-on, high-definition surveillance security systems that use up to eight hard drives and up to 32 cameras.

WD Purple Surveillance Storage offers exclusive AllFrame technology to bring you premium reliability and peace-of-mind when installing your home or small to medium business security system. WD Purple's exclusive firmware upgrades work with ATA streaming to reduce error pixilation and video interruptions that occur when desktop hard drives are incorrectly used as storage in security systems. WD Purple Surveillance Storage is built for 24/7, always-on, high-definition surveillance security systems that use up to eight hard drives and up to 32 cameras.

$209.00 - $496.18

in 3 offers

The lowest price for WD Purple 4TB Surveillance Hard Disc Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 8.9cm - WD40PURX right now is $209.00 at PC Case Gear, compared across 3 retailers.

The all-time low was $112.92 on 22 Jan 2026 — today's price is 85% above the lowest ever. It has been notably cheaper before — worth setting a price alert.

Prices last updated 14 May 2026.

Capacity:

1 TB

WD Purple 4TB Surveillance Hard Disc Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 8.9cm - WD40PURX

$209.00

(9,965 reviews)

WD Purple Surveillance Storage offers exclusive AllFrame technology to bring you premium reliability and peace-of-mind when installing your home or small to medium business security system. WD Purple's exclusive firmware upgrades work with ATA streaming to reduce error pixilation and video interruptions that occur when desktop hard drives are incorrectly used as storage in security systems. WD Purple Surveillance Storage is built for 24/7, always-on, high-definition surveillance security systems that use up to eight hard drives and up to 32 cameras.

WD Purple Surveillance Storage offers exclusive AllFrame technology to bring you premium reliability and peace-of-mind when installing your home or small to medium business security system. WD Purple's exclusive firmware upgrades work with ATA streaming to reduce error pixilation and video interruptions that occur when desktop hard drives are incorrectly used as storage in security systems. WD Purple Surveillance Storage is built for 24/7, always-on, high-definition surveillance security systems that use up to eight hard drives and up to 32 cameras.

2 TB
3tb, 6GB
8TB / 128MB
10 TB
14 TB

Price comparison

Price data powered by pricesAPI.io

Last updated at 14/05/2026 08:36:55

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

$209.00

Western Digital WD Purple WD40PURX 4TB

60-day returns

civicelectronic.shop

$265.00

Surveillance/CCTV Hard Drive for DVR/NVR 4TB

Delivery between 19–27 May $15

Ubuy

$496.18

Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB

Delivery between 19–23 May $14.02

Price history

Price history

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

Specification

Compatibility Information
Designed ForWD My Cloud EX2 WD My Cloud EX4
Environmental Parameters
Min Operating Temperature0 °C
Max Operating Temperature65 °C

Price comparison

Updated about 1 month ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
PC Case Gear

$209.00

Out of stock

Western Digital WD Purple WD40PURX 4TB

60-day returns

civicelectronic.shop

$265.00

Surveillance/CCTV Hard Drive for DVR/NVR 4TB

Delivery between 19–27 May $15

Ubuy

$496.18

Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB

Delivery between 19–23 May $14.02

Price history

Price history

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

Specification

Compatibility Information
Designed ForWD My Cloud EX2 WD My Cloud EX4
Environmental Parameters
Min Operating Temperature0 °C
Max Operating Temperature65 °C