Crucial CT8G4RFD8266 8 GB (1x8GB DDR4-2666)

The Crucial CT8G4RFD8266 8 GB comes as a single module with 8GB of DDR4 on board. It is rated at 2666 MT/s with a CAS latency of 19, working out to a true latency of about 14.3ns. Operating voltage sits at 1.35V. 8GB gives you enough headroom for esports and everyday use; past 3600 MT/s, extra frequency brings diminishing returns.

Drop it into the PlanMyPC builder to check compatibility with the rest of your parts and compare current memory kit prices across retailers. Support and warranty service run through Crucial, 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.