Plextor M6M PX-256M6M 256 GB

A 256GB mSATA SSD on the SATA interface. Sequential throughput tops out at 550 MB/s reads and 520 MB/s writes. At roughly $0.89 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.

Its $227.77 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. Plextor backs the product through its standard warranty channels; check the listing for region-specific terms. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build.