CRUCIAL 64GB DDR5 6400MHz 2Rx4 ECC RDIMM MTC40F2046S1RC64BD2R
Product description
The Crucial 64GB DDR5 RDIMM memory module, part number MTC40F2046S1RC64BD2R, is designed for servers and workstations that need reliable, high-performance memory expansion. Running at 6400 MT/s, it delivers the data throughput that data-intensive applications and virtualization environments depend on.
The 2Rx4 (dual rank, x4) layout provides an optimized memory organization that helps maintain system stability and efficiency under heavy load. The registered (RDIMM) design reduces the electrical load on the memory controller, allowing larger memory capacities to be run stably in server systems.
Compared with earlier generations, DDR5 offers better energy efficiency and higher bandwidth. This makes the module well suited to data centers, cloud infrastructure and demanding computing workloads, and it is compatible with modern server motherboards that support DDR5 RDIMM modules.



















