The Crucial 4GB DDR4 2133 UDIMM Memory RAM (Model: CT4G4DFS8213.M8FAD11) is a high-quality RAM module designed for desktop computers. With a total capacity of 4GB and a bus speed of PC4-17000 (DDR4-2133), this RAM module provides fast and efficient performance for your system. The UDIMM form factor and DDR4 SDRAM type ensure compatibility with a wide range of desktop computers, making it a reliable choice for upgrading your system's memory capacity. Upgrade your computer's memory with this Crucial RAM module for improved speed and performance.