The 805349-B21 is a DDR4 memory module crafted by HP, designed for server environments that require robust, reliable, and high-capacity memory solutions. With a speed of 2400MHz (PC4-19200) and equipped with ECC (Error Correcting Code), this module ensures that data corruption is minimized, enhancing server stability and reliability. This 16GB RDIMM (Registered DIMM) features a 288-pin design and operates at a lower voltage compared to DDR3, leading to improved energy efficiency without sacrificing performance. It's specifically designed to work in environments where data integrity and uptime are crucial, supporting advanced server features such as registering and buffering. This module's 2Gx72 configuration indicates a high density of memory chips, which, combined with its ECC and registered characteristics, makes it an ideal choice for critical systems and data centers. HP’s rigorous testing ensures compatibility and reliability in HP ProLiant servers, offering peace of mind for IT professionals looking for a memory upgrade or replacement.