WD
HDD
4TB
In Stock
WD Purple 4TB Surveillance 3.5" Internal Hard Drive, AllFrame Technology, 180BT/yr, 256MB Cache, 3 Year Warranty
4.4(2,850)
£172.73
-6.6%
WD Purple 4TB Surveillance 3.5" Internal Hard Drive has dropped 6.6% over the last 30 days, currently at £172.73.
Price last checked:
Form Factor: 3.5-inch
Interface: Serial ATA-600
Price/TB: £43.18
- WD Purple drives are designed to meet the challenges of 24x7 video surveillance recording. These drives are engineered specifically for surveillance to help withstand the elevated heat fluctuations and equipment vibrations within NVR environments. An average desktop drive is built to run for only short intervals, not the harsh 24/7 always-on environment of a high-definition surveillance system. With WD Purple drives, you get reliable, surveillance-class storage that’s tested for compatibility in a wide range of security systems. Exclusive AllFrame technology helps reduce frame loss and improve overall video playback.
- WD 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 rate(3) | (3) Workload 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.
- Support for up to 16 bays(7) | (7) 1TB through 2TB support up to eight bays; 3TB and above support up to 16 bays.
- Tarnish-resistant components(6) | (6) Tarnish resistant components for capacities 3TB and higher.
About This Product
The WD Purple 4TB Surveillance 3.5" Internal Hard Drive is a 4TB, 3.5-inch internal hard drive designed for surveillance applications, featuring AllFrame technology and a 256MB cache. It has a Serial ATA-600 interface and is suitable for use in security systems that require reliable, high-capacity storage. This drive is ideal for use in CCTV and video surveillance systems, providing a large storage capacity for footage and supporting a workload rate of 180TB/yr.
Near its lowest price
At £172.73, WD Purple 4TB Surveillance 3.5" Internal Hard Drive is at or near its lowest tracked price of £171.77. The 30-day average is £175.94, making this a good time to buy if you've been waiting for a deal.
Price History
Current Price£172.73
Average Price£175.94
Lowest Price£171.77
Highest Price£185.00
Price Trend (30d)
-6.6%
Historical Prices
| Date | Price | Change |
|---|---|---|
| 2 Jun 2026, 04:59 | £172.73 | No change |
| 1 Jun 2026, 17:09 | £172.73 | No change |
| 31 May 2026, 17:01 | £172.73 | No change |
| 30 May 2026, 05:01 | £172.73 | No change |
| 29 May 2026, 17:04 | £172.73 | -£6.27 (-3.5%) |
| 28 May 2026, 17:03 | £179.00 | +£7.23 (+4.2%) |
| 27 May 2026, 05:01 | £171.77 | No change |
| 26 May 2026, 17:07 | £171.77 | No change |
| 25 May 2026, 17:07 | £171.77 | No change |
| 24 May 2026, 17:07 | £171.77 | No change |
