
WD Red Plus 4TB NAS 3.5" Internal Hard Drive - 5400 RPM, SATA 6Gb/s, CMR, 128MB Cache has risen 33.9% over the last 30 days, currently at £214.22.
Price last checked: 18 Apr 2026, 16:52
The WD Red Plus 4TB NAS 3.5" Internal Hard Drive is a 3.5-inch internal hard drive with a capacity of 4TB, featuring a SATA 6Gb/s interface and 128MB cache. It operates at 5400 RPM and utilises CMR technology, making it suitable for continuous operation in NAS systems. This drive is ideal for users requiring reliable storage for their network-attached storage systems, such as small businesses or home offices with multiple users.
WD Red Plus 4TB NAS 3.5" Internal Hard Drive - 5400 RPM, SATA 6Gb/s, CMR, 128MB Cache has increased 33.9% over the last 30 days to £214.22. The 30-day average is £176.49. If you need this product soon, buying before further increases may be worthwhile.

£36.00/TB
Updated 2h ago

£31.00/TB
Updated 2h ago

£37.07/TB
Updated 2h ago

£38.11/TB
Updated 2h 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.