The Samsung 8GB DDR4-2666 ECC UDIMM RAM M391A1K43BB2-CTDQ 1Rx8 PC4-2666V is a high-quality memory module designed for computers and networking devices. With a total capacity of 8GB and a bus speed of PC4-21300 (DDR4-2666), this RAM offers reliable performance for demanding tasks. The ECC memory feature ensures error correction, while the registered design adds reliability. Backed by a lifetime warranty, this Samsung RAM is a durable and dependable choice for enhancing your system's memory capacity.