£215.00

This is the usual price. Wait for it to drop, or tell us your number.

£215 today · usual range £168–£220 · best ever £168

Western Digital Purple 4TB Surveillance Hard Drive - 3.5 SATA III

Amazon

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 69 days · 69 data points (no recent data)

Historical
Generating forecast…
£220.00 £162.80 £175.28 £187.76 £200.24 £212.72 £225.20 16 August 2026 02 September 2026 19 September 2026 06 October 2026 23 October 2026
View at Amazon ↗

Purple, WD40PURZ

Price data last checked 22 day(s) ago - will refresh soon

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↑ Price chart
when this has been cheap or pricey
↑ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price Distribution

Price distribution over 69 days • 7 price levels

Days at Price
Current Price
9 days 1 day 3 days 7 days 11 days 9 days · current 29 days 0 7 15 22 29 £168 £169 £170 £178 £200 £215 £220 Days at Price

Price Analysis

Most common price: £220 (29 days, 42.0%)

Price range: £168 - £220

Price levels: 7 different prices over 69 days

Description

The Western Digital Purple 4TB internal hard drive is purpose-built for continuous surveillance and security system recording, delivering reliable 24/7 performance where standard desktop drives fall short. With 5,400 RPM spindle speed and 64 MB cache, this 3.5-inch SATA III drive handles the demanding workloads of modern security installations without the pixelation errors and video interruptions that occur when misusing general-purpose hard drives. The exclusive AllFrame technology employs ATA streaming to maintain video integrity and reduce frame loss, ensuring crystal-clear footage from your camera systems. WD Purple's compatibility has been extensively tested across numerous security systems, making it the trusted choice for surveillance environments where reliability and continuous operation are non-negotiable. The WD40PURZ model replaces inadequate desktop alternatives with a drive engineered specifically for the thermal and operational demands of security infrastructure.

Key Features

4TB storage capacity provides ample space for extended surveillance footage retention on security camera systems.

5,400 RPM with 64 MB cache optimises performance for continuous 24/7 recording without thermal stress or performance degradation.

SATA III interface ensures fast data transfer rates and full compatibility with modern surveillance system architectures.

AllFrame technology uses ATA streaming to eliminate pixelation errors and video interruptions that plague incompatible desktop hard drives.

WD Purple WD40PURZ model is specifically tested and verified for use across multiple professional security system installations.

Designed for demanding surveillance duty, replacing standard desktop drives with a drive engineered for non-stop operation.

Product Specifications

Colour
Purple
Domain
Amazon UK
Listed Since
08 September 2018

Barcode

No barcode data available

Similar Products You Might Like

Western Digital Blue 1TB SATA 2.5-Inch Internal Hard Drive
98% match

Western Digital Blue 1TB SATA 2.5-Inch Internal Hard Drive

Western Digital

£84.00 01 Nov 2026
WD Purple 3TB Surveillance Hard Drive - 5400 rpm SATA
98% match

WD Purple 3TB Surveillance Hard Drive - 5400 rpm SATA

Western Digital

£160.00 05 Nov 2026
Western Digital Purple 2TB Surveillance HDD - WD20PURZ
98% match

Western Digital Purple 2TB Surveillance HDD - WD20PURZ

Western Digital

Price unavailable
WD Purple 3TB Surveillance Hard Drive - 256MB Cache
98% match

WD Purple 3TB Surveillance Hard Drive - 256MB Cache

Western Digital

£179.99 24 Oct 2026
Western Digital Purple Pro 10TB Internal Hard Drive - 7200 RPM
98% match

Western Digital Purple Pro 10TB Internal Hard Drive - 7200 RPM

Western Digital

£450.00 13 Nov 2026
WD Purple Pro 12TB Internal Hard Drive - 7200 RPM SATA 6Gb/s
98% match

WD Purple Pro 12TB Internal Hard Drive - 7200 RPM SATA 6Gb/s

Western Digital

£524.99 21 Oct 2026
WD Purple Pro 12TB Surveillance Hard Drive - 7200 RPM
98% match

WD Purple Pro 12TB Surveillance Hard Drive - 7200 RPM

Western Digital

£689.99 21 Oct 2026
WD Purple Pro 24TB Internal Hard Drive - 7200 RPM SATA 6Gb/s
98% match

WD Purple Pro 24TB Internal Hard Drive - 7200 RPM SATA 6Gb/s

Western Digital

£1,043.13 21 Oct 2026
Western Digital Purple 6TB Surveillance Internal Hard Drive
98% match

Western Digital Purple 6TB Surveillance Internal Hard Drive

Western Digital

£259.57 20 Oct 2026
Western Digital WD Purple Pro 8TB Internal Hard Drive - 7200 RPM
98% match

Western Digital WD Purple Pro 8TB Internal Hard Drive - 7200 RPM

Western Digital

£378.34 21 Oct 2026
Western Digital Purple 3TB 3.5 inch SATA 6Gb/s Hard Drive
98% match

Western Digital Purple 3TB 3.5 inch SATA 6Gb/s Hard Drive

Western Digital

£153.08 27 Oct 2026
Western Digital WD10EZEX 1TB SATAIII 3.5-Inch Internal Hard Drive
98% match

Western Digital WD10EZEX 1TB SATAIII 3.5-Inch Internal Hard Drive

Western Digital

£68.00 13 Nov 2026
Western Digital WD Black 4TB 7200 RPM SATA 6Gb/s Hard Drive
98% match

Western Digital WD Black 4TB 7200 RPM SATA 6Gb/s Hard Drive

Western Digital

£276.17 26 Sep 2026
Western Digital 2 TB AV-GP 3.5-inch SATA Internal Hard Drive
98% match

Western Digital 2 TB AV-GP 3.5-inch SATA Internal Hard Drive

Western Digital

£134.14 17 Oct 2026
Seagate Barracuda ST3000DM001 3TB SATA Hard Drive 7200rpm
98% match

Seagate Barracuda ST3000DM001 3TB SATA Hard Drive 7200rpm

Seagate

£140.00 06 Sep 2026
Western Digital Purple 4TB Surveillance HDD - WD40PURZ
98% match

Western Digital Purple 4TB Surveillance HDD - WD40PURZ

Western Digital

£169.05 09 Sep 2026
Western Digital Caviar Green 2TB 3.5-inch SATA Hard Drive
98% match

Western Digital Caviar Green 2TB 3.5-inch SATA Hard Drive

Western Digital

£100.00 27 Sep 2026
Western Digital Purple 2TB Surveillance Internal Hard Drive
98% match

Western Digital Purple 2TB Surveillance Internal Hard Drive

Western Digital

£152.46 21 Oct 2026
Western Digital Blue 3TB Internal Hard Drive - 3.5 Inch SATA
98% match

Western Digital Blue 3TB Internal Hard Drive - 3.5 Inch SATA

Western Digital

£126.00 04 Sep 2026
Seagate 4TB 3.5-Inch SATA 6Gb/s Desktop HDD - ST4000DM000
98% match

Seagate 4TB 3.5-Inch SATA 6Gb/s Desktop HDD - ST4000DM000

Seagate

Price unavailable
White Label 6TB 3.5 inch SATA III Internal Hard Drive - 5700RPM
98% match

White Label 6TB 3.5 inch SATA III Internal Hard Drive - 5700RPM

White Label

Price unavailable
Western Digital Purple 6TB Surveillance HDD - WD60PURZ
98% match

Western Digital Purple 6TB Surveillance HDD - WD60PURZ

Western Digital

£272.00 06 Sep 2026
WD Blue 2TB 3.5" SATA Internal Hard Drive - 7200 RPM
98% match

WD Blue 2TB 3.5" SATA Internal Hard Drive - 7200 RPM

Western Digital

£109.98 31 Aug 2026
WD Blue 2TB 3.5 Inch SATA Hard Drive - 5400 RPM
98% match

WD Blue 2TB 3.5 Inch SATA Hard Drive - 5400 RPM

Western Digital

£271.96 21 Oct 2026