The Samsung 16GB DDR4 2133MHz PC4-17000 ECC RDIMM Server Memory RAM is specifically designed for server use, with a total capacity of 16GB spread across one module. It features ECC memory and is registered, ensuring reliability and error correction. The memory module has a form factor of RDIMM and a voltage of 1.2V, with a frequency of 2133MHz and a bus speed of PC4-17000 (DDR4-2133). This product is backed by a lifetime manufacturer warranty