Corsair CMSO4GX3M2A1333C9 4 GB (2x2GB DDR3-1333)

The Corsair CMSO4GX3M2A1333C9 4 GB arrives as 2 modules of 2GB each with 4GB of DDR3 on board. It is specced for 1333 MT/s with a CAS latency of 9, working out to a true latency of about 13.5ns. 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.

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 Corsair, with terms that vary by region. Every published spec is tabulated below, and compatibility against your current part list is checked automatically.