Used - The Kingston 4GB DDR4 2666 Desktop DIMM RAM is a high-quality memory module designed for desktop computers such as DELL, HP, Lenovo, and Acer. With a total capacity of 4GB divided into one module, this DDR4 SDRAM RAM operates at a bus speed of PC4-21300 (DDR4-2666). Manufactured in China, this RAM is a reliable and efficient choice for boosting the performance of your computer for various tasks.