Kingston KHX8500D2K2/4GR 4 GB (2x2GB DDR2-1066)

The Kingston KHX8500D2K2/4GR 4 GB comes as 2 modules of 2GB each with 4GB of DDR2 on board. Operating voltage sits at 1.35V. It is specced for 1066 MT/s with a CAS latency of 5, working out to a true latency of about 9.4ns. 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. Warranty coverage follows Kingston's standard policy — confirm regional terms on the listing. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.