Kingston HyperX Grey 4 GB (2x2GB DDR3-2133)

The Kingston HyperX Grey 4 GB comes as 2 modules of 2GB each with 4GB of DDR3 on board. It is specced for 2133 MT/s with a CAS latency of 9, working out to a true latency of about 8.4ns. 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. Every published spec is tabulated below, and compatibility against your current part list is checked automatically.