Crucial CT2KIT25664BA1067 4 GB (2x2GB DDR3-1066)

The Crucial CT2KIT25664BA1067 4 GB ships as 2 modules of 2GB each with 4GB of DDR3 on board. It is rated at 1066 MT/s with a CAS latency of 7, working out to a true latency of about 13.1ns. Operating voltage sits at 1.35V.

Once memory clears 3600 MT/s, frequency gains taper off, so the 4GB on offer here is the spec that counts for esports and everyday use. 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.