CRUCIAL 16GB DDR4-2666 UDIMM DESKTOP RAM Memory is a component in your computer that allows for short-term data access. Since your system’s moment-to-moment operations rely on short-term data access – loading applications, browsing the Web or editing a spreadsheet – the speed and amount of memory in your system plays a critical role. Load apps in seconds by increasing the speed of your memory and installing more of it. Model: Crucial 16GB DDR4 Desktop RAM Brand: Crucial