The HP 862976-B21 memory kit features a 16GB DDR4 module designed to enhance the performance and efficiency of HP servers. Operating at a speed of 2400MHz, this dual-rank, unbuffered memory module is optimized for reliability and high-speed data processing. Dual-rank modules are typically faster than their single-rank counterparts due to their ability to access a wider data range simultaneously. This memory kit is ideal for enterprises requiring improved server response times and the capability to handle data-intensive applications without compromising on system stability or reliability. Compatible with a range of HP servers, the HP 862976-B21 memory kit offers an effective upgrade solution for businesses looking to increase their server's memory capacity and overall performance.