Crucial CT4G3W186DM 4 GB (1x4GB DDR3-1866)

The Crucial CT4G3W186DM 4 GB comes as a single module with 4GB of DDR3 on board. Operating voltage sits at 1.35V. It is specced for 1866 MT/s with a CAS latency of 13, working out to a true latency of about 13.9ns. 4GB gives you enough headroom for esports and everyday use; past 3600 MT/s, extra frequency brings diminishing returns.

Drop it into the PlanMyPC builder to check compatibility with the rest of your parts and compare current memory kit prices across retailers. Warranty coverage follows Crucial's standard policy — confirm regional terms on the listing. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build.