G.Skill F2-6400CL5D-4GBSQ 4 GB (2x2GB DDR2-800)

The G.Skill F2-6400CL5D-4GBSQ 4 GB arrives as 2 modules of 2GB each with 4GB of DDR2 on board. It is specced for 800 MT/s with a CAS latency of 5, working out to a true latency of about 12.5ns. 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.

PlanMyPC's builder flags compatibility problems automatically and tracks the latest memory kit deals from multiple stores. G.Skill backs the product through its standard warranty channels; check the listing for region-specific terms. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.