This is by Axiom is a 16GB PC3-12800 DDR3-1600MHz ECC Registered CL11 240-Pin DIMM Dual Rank Memory Module. This module is designed to provide high-speed, reliable memory performance for enterprise systems. With a data transfer rate of 1600MHz and Error-Correcting Code (ECC) for enhanced data integrity, it ensures smooth operation and minimizes data corruption risks. The dual rank configuration optimizes memory organization, improving overall system performance. This module is ideal for servers and workstations that require dependable and efficient memory solutions.