Kingston HX421S14IBK4/32 64 GB (4x16GB DDR4-2133)

The Kingston HX421S14IBK4/32 64 GB arrives as 4 modules of 16GB each with 64GB of DDR4 on board. Operating voltage sits at 1.35V. It is rated at 2133 MT/s with a CAS latency of 14, working out to a true latency of about 13.1ns. 64GB gives you enough headroom for gaming plus heavy multitasking and content work; 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. Support and warranty service run through Kingston, 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.