
WD Purple 6TB Surveillance 3.5 Inch Internal Hard Drive - Allframe 4K - 180TB/yr, 64MB Cache, 5640 RPM Class has risen 1.7% over the last 30 days, currently at £239.14.
Price last checked: 18 Apr 2026, 16:50
The WD Purple 6TB Surveillance 3.5 Inch Internal Hard Drive is a 3.5-inch Serial ATA hard disk drive with a capacity of 6TB and a 64MB cache. It features a 5640 RPM class and IntelliSeek technology to minimise power consumption and ambient noise. This drive is suitable for 24/7 surveillance systems, particularly for those requiring high-quality video playback and seamless integration with DVR and NVR systems.
At £239.14, WD Purple 6TB Surveillance 3.5 Inch Internal Hard Drive - Allframe 4K - 180TB/yr, 64MB Cache, 5640 RPM Class is at or near its lowest tracked price of £229.84. The 30-day average is £232.69, making this a good time to buy if you've been waiting for a deal.

£36.00/TB
Updated 1h ago

£31.00/TB
Updated 52m ago

£37.07/TB
Updated 52m ago

£38.11/TB
Updated 51m 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.