The P00930-B21 is a high-performance DDR4 2933 Module designed and manufactured by Hewlett Packard Enterprise (HPE). It is a 288-pin Registered DIMM (RDIMM) that operates at a frequency of 2933 MT/s, providing fast data transfer rates for servers and workstations. This module is equipped with a capacity of 64GB, making it ideal for memory-intensive applications and large datasets. It features a configuration of 8Gx72 ECC (Error-Correcting Code) which ensures data integrity and reliability by detecting and correcting data errors. Its 2Rx4 organization indicates a dual-rank design with four banks of memory, enhancing performance through parallelism. The module is specifically designed for systems that require ECC registered memory, offering an optimal solution for professional environments where stability and reliability are critical.