Corsair XMS2 2 GB (2x1GB DDR2-800)

The Corsair XMS2 2 GB ships as 2 modules of 1GB each with 2GB of DDR2 on board. It is specced for 800 MT/s with a CAS latency of 4, working out to a true latency of about 10ns. Operating voltage sits at 1.35V. 2GB gives you enough headroom for esports and everyday use; past 3600 MT/s, extra frequency brings diminishing returns.

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 Corsair, with terms that vary by region. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.