
Seagate Hard Drives Brand Model Exos X20 ST20000NM002D - Hard Drive - 20TB - Internal - SAS 12Gb/s - 7200rpm - buffer: 256 MB is priced at £857.69 — stable over the last 30 days.
Price last checked: 18 Apr 2026, 16:57
The Seagate Exos X20 ST20000NM002D is a 20TB internal hard drive with a 2.5-inch form factor and SAS 12Gb/s interface. It features a 7200rpm spin speed and a 256MB buffer, making it suitable for high-performance storage applications. This hard drive is ideal for data centres and enterprise environments where large storage capacities and fast data transfer speeds are required.

£39.79/TB
Updated 55m ago

£23.63/TB
Updated 44m 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.
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