Kingston KHX1866C9D3K3/12GX 12 GB (3x4GB DDR3-1866)

The Kingston KHX1866C9D3K3/12GX 12 GB arrives as 3 modules of 4GB each with 12GB of DDR3 on board. Operating voltage sits at 1.35V. It is specced for 1866 MT/s with a CAS latency of 9, working out to a true latency of about 9.6ns. For gaming, capacity matters more than raw speed past 3600 MT/s — 12GB comfortably covers esports and everyday use.

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. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build.