Kingston KVR13LR9S4/4 4 GB (1x4GB DDR3-1333)

The Kingston KVR13LR9S4/4 4 GB arrives as a single module with 4GB of DDR3 on board. It is rated at 1333 MT/s with a CAS latency of 9, working out to a true latency of about 13.5ns. 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. 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.