The KVR21S15D8/8 is a part of Kingston's renowned ValueRAM line, offering outstanding reliability and performance for a variety of computer upgrade needs. This 8GB DDR4 module operates at a speed of 2133MHz (PC4-17000), ensuring swift data transfer rates that are essential for running intensive applications and multitasking. With its 1Gx64 structure, this SODIMM module is engineered to enhance system responsiveness, making it a preferred choice for use in laptops and small form factor PCs that support the 260-pin DDR4 SODIMM layout. Its dual-rank (2Rx8) configuration further enhances its compatibility and performance across different motherboards and chipsets. Operating at a nominal voltage of 1.2V, the KVR21S15D8/8 not only offers excellent performance but also promotes energy efficiency, a critical factor for portable computing devices. Kingston's commitment to quality ensures that each module is rigorously tested, guaranteeing stability, reliability, and compatibility with a wide array of systems. Whether it's for an upgrade or replacement, this DDR4 SODIMM module stands as a cost-effective solution to boost the performance of both new and older computing systems requiring DDR4 memory.