
Seagate ST4000NM0025 4000GB SAS internal hard drive - internal hard drives (4000 GB, SAS, 7200 RPM, 3.5", Server/workstation, HDD) is priced at £174.90 — stable over the last 30 days.
Price last checked: 18 Apr 2026, 16:55
The Seagate ST4000NM0025 is a 4000GB SAS internal hard drive with a 3.5-inch form factor and 7200 RPM speed. This HDD is designed for server and workstation use, offering a capacity of 4TB and supporting enterprise-class nearline workloads. It is suitable for businesses requiring reliable bulk storage solutions, such as data centres and enterprises with high storage demands.

£39.79/TB
Updated 56m ago

£23.63/TB
Updated 45m ago

£30.50/TB
Updated 38m ago

£36.19/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.