SanDisk X300S 512 GB

A 512GB 2.5" SSD on the SATA interface. Sequential throughput tops out at 550 MB/s reads and 520 MB/s writes. At roughly $0.39 per gigabyte it sits in the high-end tier. SATA throughput caps near 550 MB/s — fine for game libraries and backups, slower for heavy scratch work.

Expect to pay around $199.95, which lands it among high-end options. Use the PlanMyPC system builder to verify it works alongside your other components and to keep a running tally of the cost. SanDisk backs the product through its standard warranty channels; check the listing for region-specific terms. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.