The Samsung 16GB 2Rx8 PC4-2666V-UB1-11 M378A2K43DB1 is a high-quality DDR4 SDRAM memory module designed for computers that require reliable performance and large capacity. With a total capacity of 16GB and a manufacturer warranty of lifetime, this module offers stable and efficient operation for extended periods. The PC4-21300 (DDR4-2666) bus speed ensures fast data transfer, while the ECC memory feature enhances error correction for added reliability. Ideal for those needing a high-capacity memory module from a trusted brand like Samsung.