M321RAJA0MB2-CCP Samsung 128GB DDR5-6400MHz Memory Module

M321RAJA0MB2-CCP Overview

The Samsung M321RAJA0MB2-CCP 128 GB PC5-51200 DDR5-6400 MHz ECC Registered DIMM is a high-capacity, enterprise-grade server memory module designed for professional computing systems such as data-center servers, virtualization hosts, workstations, and other mission-critical infrastructures. It conforms to the DDR5-6400 (PC5-51200) memory standard, delivering a 6400 MT/s data rate that provides very high bandwidth — ideal for demanding workloads where fast, reliable memory access is crucial.
The module has a 288-pin form factor typical of server memory and uses a dual-rank ×4 architecture, which helps increase memory density and improves access efficiency compared with single-rank modules. It operates at 1.1 V, balancing performance with energy efficiency — a benefit in dense server racks and data centers where power.