
Western Digital WD Purple 8TB Surveillance 3.5" Internal Hard Drive, AllFrame Technology, SATA 6 Gbit/s, 180TB/yr, 128MB Cache has dropped 12.6% over the last 30 days, currently at £269.99.
Price last checked: 18 Apr 2026, 16:46
The Western Digital WD Purple 8TB Surveillance 3.5" Internal Hard Drive is a high-capacity storage solution with a 3.5-inch form factor and SATA 6 Gbit/s interface. It features AllFrame Technology and a 128MB cache, making it suitable for demanding surveillance and smart video applications. This drive is ideal for building smart video systems, particularly for those requiring reliable storage for always-on environments, such as security professionals and businesses with extensive CCTV networks.
Western Digital WD Purple 8TB Surveillance 3.5" Internal Hard Drive, AllFrame Technology, SATA 6 Gbit/s, 180TB/yr, 128MB Cache has fallen 12.6% over the last 30 days to £269.99. If the trend continues, waiting a bit longer could save you more — but current stock levels may also affect availability.

£36.00/TB
Updated 57m ago

£31.00/TB
Updated 47m ago

£37.07/TB
Updated 47m ago

£38.11/TB
Updated 46m ago
Explains how to compare SSD endurance (TBW/DWPD), warranty terms, controller/DRAM design, and real-world performance metrics like sustained writes after SLC cache, 4K QD1 latency, and thermals.
NVMe vs SATA, TLC vs QLC, DRAM cache — cut through the jargon and pick the best SSD for your PC build or upgrade.