Kingston FURY Beast 4 GB (1x4GB DDR4-2666)

The Kingston FURY Beast 4 GB ships as a single module with 4GB of DDR4 on board. It is specced for 2666 MT/s with a CAS latency of 16, working out to a true latency of about 12ns. 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. 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.