Crucial CT2KIT51264BF1339 8 GB (2x4GB DDR3-1333)

The Crucial CT2KIT51264BF1339 8 GB comes as 2 modules of 4GB each with 8GB of DDR3 on board. Operating voltage sits at 1.35V. It is rated at 1333 MT/s with a CAS latency of 9, working out to a true latency of about 13.5ns. 8GB gives you enough headroom for esports and everyday use; 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 Crucial, 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.