The 500662-B21 is an ECC Registered DIMM memory module from HP, designed to meet the demands of server applications requiring high performance and reliability. As a member of the PC3-10600 category, it features a 240-pin interface and delivers peak data rates of 10,666 MB/s, aligning with industry standards for DDR3 technology. This 8GB module, operating at a frequency of DDR3-1333, enhances server capacity and efficiency, allowing for smoother operation and management of larger datasets. Its 1Gx72 configuration utilizes ECC (Error-Correcting Code) memory to ensure data integrity by automatically correcting data errors, thereby preventing downtime and loss of information. The Registered DIMM (RDIMM) design provides additional stability and reliability required in server and high-performance computing environments. This memory module represents an ideal solution for upgrading HP servers, aimed at businesses looking to improve their system's performance and reliability to support critical applications.