SanDisk X400 512 GB

A 512GB M.2 2280 SSD on the SATA interface. At roughly $0.49 per gigabyte it sits in the high-end tier. Sequential throughput tops out at 550 MB/s reads and 520 MB/s writes. SATA throughput caps near 550 MB/s — fine for game libraries and backups, slower for heavy scratch work.

Its $249.99 price tag places it squarely in high-end territory. Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. Warranty coverage follows SanDisk's standard policy — confirm regional terms on the listing. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.