The P28225-B21 is a DDR4 ECC Registered DIMM (RDIMM) memory module offered by HPE (Hewlett Packard Enterprise), designed to meet the stringent requirements of enterprise-grade servers and computing systems. With a capacity of 32GB and operating at a speed of DDR4-2933Y, corresponding to PC4-23466, this module is engineered for speed, reliability, and efficiency. It supports a configuration of 2Rx4 with a voltage of 1.2V, optimizing energy consumption without compromising on performance. The inclusion of ECC (Error-correcting code) and its Reg/RDIMM design significantly enhances system stability and reliability by correcting possible data corruption. The 288-pin interface facilitates broad compatibility with HPE servers and systems, ensuring a seamless upgrade or replacement path. The P28225-B21 is an ideal solution for businesses and IT professionals looking to enhance their server capabilities with high-quality, reliable memory for running intensive applications, complex computations, and supporting virtualized environments.