Kingston KVR21SE15S8/4 4 GB (1x4GB DDR4-2133)

The Kingston KVR21SE15S8/4 4 GB arrives as a single module with 4GB of DDR4 on board. Operating voltage sits at 1.35V. It is rated at 2133 MT/s with a CAS latency of 15, working out to a true latency of about 14.1ns. 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.