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The 16GB DDR4 2133 MHz UDIMM Memory Module from Synology adds an additional 16GB of memory for computer systems and NAS servers, such as a Synology RackStation RS4017xs+, RS3617xs+, or RS3617RPxs. This 288-pin module is built with DDR4 technology, which enables it to operate at 1.2V of power, and has a case latency of 15. For performance, it runs at speeds of 2133 MHz. Additionally, the unbuffered module comes with ECC, which helps reduce data errors.