The Crucial 8GB DDR4 2666Mhz NON-ECC UDIMM 2Rx8 Desktop Memory RAM CT8G4DFRA266 is a high-quality RAM module designed for desktop computers. With a total capacity of 8GB and a bus speed of PC4-21300 (DDR4-2666), this memory module offers reliable performance and fast data processing. Its unbuffered memory features ensure efficient data transfer, while its UDIMM form factor makes it compatible with various desktop systems. With its Crucial brand reputation and DDR4 SDRAM technology, this memory module is a solid choice for upgrading your computer's memory capacity.