Crucial CT4G3ERVDD8186D 4 GB (1x4GB DDR3-1866)

The Crucial CT4G3ERVDD8186D 4 GB arrives as a single module with 4GB of DDR3 on board. It is rated at 1866 MT/s with a CAS latency of 13, working out to a true latency of about 13.9ns. Operating voltage sits at 1.35V. For gaming, capacity matters more than raw speed past 3600 MT/s — 4GB comfortably covers esports and everyday use.

Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. Warranty coverage follows Crucial's standard policy — confirm regional terms on the listing. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.