
Silicon Power SSD 512GB 3D NAND A55 SLC Cache Performance Boost 2.5 inch SATA III 7mm (0.28") Internal Solid State Drive has risen 3% over the last 30 days, currently at £66.96.
Price last checked: 18 Apr 2026, 16:49
The Silicon Power SSD 512GB 3D NAND A55 is a 2.5-inch internal solid state drive with a capacity of 512GB, utilising 3D NAND flash to deliver high transfer speeds. This drive features SLC Cache Technology for a performance boost and longer lifespan, as well as a 7mm slim design making it suitable for ultrabooks and ultra-slim notebooks. It is a reliable storage solution for users seeking to upgrade their laptop's storage, particularly those with slim devices.
At £66.96, Silicon Power SSD 512GB 3D NAND A55 SLC Cache Performance Boost 2.5 inch SATA III 7mm (0.28") Internal Solid State Drive is at or near its lowest tracked price of £64.99. The 30-day average is £66.26, making this a good time to buy if you've been waiting for a deal.

£0.17/GB
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£108.99/TB
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£0.23/GB
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£92.50/TB
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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.