Micron MTC40F2046S1RC56BD2 64GB DDR5-5600MHz registered ECC DIMM for enterprise servers and workstations. 288-pin form factor, PC5-44800 standard, CAS latency 46, 1.1V operating voltage, dual-rank configuration. Supports error-correcting code for mission-critical applications requiring data integrity. Backward compatible with DDR5-capable platforms from major OEMs including Dell PowerEdge, HPE ProLiant, and Lenovo ThinkSystem servers. Typical deployment in virtualization, database, HPC, and analytics workloads where large memory footprints and reliability are essential. Tested and guaranteed; available via quote.