Corsair Vengeance LPX 16 GB (2x8GB DDR4-4000)

The Corsair Vengeance LPX 16 GB comes as 2 modules of 8GB each with 16GB of DDR4 on board. It is specced for 4000 MT/s with a CAS latency of 19, working out to a true latency of about 9.5ns. Operating voltage sits at 1.35V. 16GB gives you enough headroom for modern AAA titles; 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. Corsair 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.