Kingston 32GB Kit (4 X 8GB) PC4-17000 DDR4-2133MHz Registered ECC CL15 288-Pin DIMM 1.2V Single Rank Memory. The Kingston KVR21R15S4K4/32I is a high-capacity memory kit designed for server environments demanding reliability and performance. With a total of 32GB RAM provided by four 8GB modules, it operates at DDR4-2133MHz speed and features Registered ECC (Error-Correcting Code) technology. This ensures data integrity and system stability under heavy workloads. The memory modules have a CAS latency of CL15 and use a low voltage of 1.2V, enhancing energy efficiency. Designed as 288-pin DIMMs, they offer seamless integration into compatible server platforms, making them ideal for enterprise applications requiring robust memory solutions.