The Kingston KVR21R15D4/16 DDR4 2133MHz RDIMM Server Memory RAM is a high-quality memory module designed for servers. With a total capacity of 16GB, this ECC memory module is essential for improving the performance and reliability of server systems. The DDR4 SDRAM technology and PC4-17000 bus speed ensure fast and efficient data processing, while the 288 pins make it compatible with standard DIMM slots. The model's registered memory feature and ECC functionality further enhance its capabilities, making it a dependable choice for enterprise networking and server applications.