SanDisk Z400s 128 GB

A 128GB M.2 2280 SSD on the SATA interface. Sequential throughput reaches 550 MB/s reads and 520 MB/s writes. At roughly $0.85 per gigabyte it sits in the mid-range tier. SATA throughput caps near 550 MB/s — fine for game libraries and backups, slower for heavy scratch work.

Expect to pay around $109.00, which lands it among mid-range options. Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. Support and warranty service run through SanDisk, with terms that vary by region. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build.