Corsair Vengeance LPX 128 GB (4x32GB DDR4-2666)

The Corsair Vengeance LPX 128 GB ships as 4 modules of 32GB each with 128GB of DDR4 on board. It is rated at 2666 MT/s with a CAS latency of 16, working out to a true latency of about 12ns. Operating voltage sits at 1.35V. 128GB gives you enough headroom for gaming plus heavy multitasking and content work; past 3600 MT/s, extra frequency brings diminishing returns.

Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. Support and warranty service run through Corsair, 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.