Kingston HX321LS11IB2/4 4 GB (1x4GB DDR3-2133)

The Kingston HX321LS11IB2/4 4 GB arrives as a single module with 4GB of DDR3 on board. It is rated at 2133 MT/s with a CAS latency of 11, working out to a true latency of about 10.3ns. 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 Kingston, with terms that vary by region.