Silicon Power SP004GBLFU266X02 4 GB (1x4GB DDR4-2666)

The Silicon Power SP004GBLFU266X02 4 GB comes as a single module with 4GB of DDR4 on board. It is rated at 2666 MT/s with a CAS latency of 19, working out to a true latency of about 14.3ns. Operating voltage sits at 1.35V. 4GB 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. Warranty coverage follows Silicon Power's standard policy — confirm regional terms on the listing. Every published spec is tabulated below, and compatibility against your current part list is checked automatically.