The Crucial 8GB (1 x 8GB) PC4-21300 (DDR4-2666) Memory Module (CT8G4DFRA266) is a high-quality RAM upgrade for your computer. With a total capacity of 8GB and a bus speed of PC4-21300 (DDR4-2666), this DDR4 SDRAM module is designed to enhance your system's performance. The UDIMM form factor and unbuffered memory features make it a reliable choice for improving your computer's speed and efficiency. Upgrade your system with this Crucial memory module for seamless multitasking and smooth operation.