M321R4GA3BB6-CQK Samsung 1x32GB DDR5 RDIMM ECC RAM

High-Performance DDR5 RDIMM Server Memory Expansion with the M321R4GA3BB6-CQK

The M321R4GA3BB6-CQK is a Samsung 32GB DDR5 RDIMM designed to expand memory capacity and bandwidth on DDR5-capable server CPU platforms, supporting balanced performance for general-purpose compute and virtualization clusters. By using registered buffering and ECC protection, the M321R4GA3BB6-CQK targets predictable operation under sustained load where memory integrity and signal stability are mandatory.

Built on JEDEC DDR5-4800 (PC5-38400R), the M321R4GA3BB6-CQK complements modern multi-core CPU generations that drive higher thread counts and larger working sets. DDR5 improves channel efficiency and helps reduce bottlenecks in memory-intensive services; registered DIMM buffering supports scalable DIMM population in dense platforms, while on-die ECC contributes to resilient data handling inside the DRAM devices. In systems with PCIe Gen4/Gen5 expansion and NVMe storage, the M321R4GA3BB6-CQK helps keep CPU-to-memory throughput aligned so accelerator, I/O, and storage subsystems are not starved by insufficient RAM capacity.

Why Choose the M321R4GA3BB6-CQK?

The M321R4GA3BB6-CQK delivers an enterprise-focused density-to-performance profile for DDR5 servers where deterministic behavior, uptime, and clean scalability matter more than overclocking features. As a 32GB dual-rank x8 RDIMM, the M321R4GA3BB6-CQK supports practical capacity scaling across nodes, enabling consistent fleet configurations for clustered deployments and standardized sparing strategies.

Samsung engineers memory for sustained data center duty cycles, emphasizing JEDEC compliance, controlled manufacturing, and platform compatibility for server-class reliability. The M321R4GA3BB6-CQK aligns with modern power and thermal requirements through 1.1V DDR5 operation and is intended for validated DDR5 RDIMM server designs.

Key Applications:

• Server memory expansion for DDR5 CPU platforms
• Virtualization hosts and consolidation clusters
• General-purpose compute nodes
• In-memory databases and cache tiers

At Happyware - Server Hardware you benefit from Bulk Order Discount options for standardized rollouts of the M321R4GA3BB6-CQK across server fleets, and you can secure long-term planning with an Extended Warranty up to 6 years for investment protection in enterprise environments.