Kingston HyperX T1 4 GB (2x2GB DDR3-1866)

The Kingston HyperX T1 4 GB comes as 2 modules of 2GB each with 4GB of DDR3 on board. It is specced for 1866 MT/s with a CAS latency of 9, working out to a true latency of about 9.6ns. Operating voltage sits at 1.35V. 4GB gives you enough headroom for esports and everyday use; past 3600 MT/s, extra frequency brings diminishing returns.

PlanMyPC's builder flags compatibility problems automatically and tracks the latest memory kit deals from multiple stores. Kingston 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.