Western Digital SN520 128 GB

A 128GB M.2-2242 SSD on the NVMe Gen3 interface. Sequential throughput reaches 3500 MB/s reads and 3000 MB/s writes. At roughly $0.43 per gigabyte it sits in the mid-range tier. NVMe drives this fast mainly shine in game-load times and large file moves; everyday snappiness is similar across the tier.

Its $55.00 price tag places it squarely in mid-range territory. Drop it into the PlanMyPC builder to check compatibility with the rest of your parts and compare current drive prices across retailers. Western Digital 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.