Kingston 4G D4-2666U19 1Rx16 UDIMM

This 4GB Kingston DDR4 memory module is a straightforward upgrade for a desktop PC, running at a standard 2666MHz speed. It’s a reliable, budget-friendly way to give an older system a bit more breathing room for everyday tasks like web browsing and document editing. As a UDIMM stick, it’s designed for standard desktop motherboards, not laptops.