Kingston HyperX 4 GB (1x4GB DDR3-1866)

The Kingston HyperX 4 GB arrives as a single module 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.

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 Kingston, with terms that vary by region. Every published spec is tabulated below, and compatibility against your current part list is checked automatically.