The Samsung 16GB 2Rx8 PC4-2666V-UB1-11 M378A2K43DB1-CTD DDR4 RAM is a high-quality memory module designed for desktop computers. With a total capacity of 16GB and a bus speed of PC4-21300 (DDR4-2666), this DDR4 SDRAM DIMM module offers reliable performance for multitasking and demanding applications. It is equipped with ECC memory technology and is registered, ensuring error correction and improved stability.