M321RAJA0MB0-CWMHX Samsung PC5-44800 DDR5 5600MT/s 128GB 2S2RX4 ECC Memory Module.

Samsung M321RAJA0MB0-CWMHX Memory

The Samsung M321RAJA0MB0-CWMHX is a state-of-the-art 128GB DDR5 RDIMM memory module engineered for next-generation server platforms and enterprise-grade data processing environments. Operating at a lightning-fast 5600MT/s data rate, this PC5-44800 ECC Sdram solution delivers massive bandwidth and energy efficiency, positioning itself as a crucial component for high-demand computational workloads and large-scale memory deployment scenarios.

High-Capacity RDIMM Module for Enterprise Systems

With a substantial 128GB capacity and a 2S2Rx4 rank organization, the M321RAJA0MB0-CWMHX Samsung DDR5 memory module targets mission-critical systems requiring high-density memory architecture. The module leverages advanced 288-pin RDIMM design, ensuring robust connectivity and compatibility with industry-standard DDR5-enabled server motherboards. These modules are optimal for data centers, AI training clusters, virtualization hosts, and large-scale cloud infrastructure.

Memory Technology Enhancements

As a DDR5 SDRAM module, the M321RAJA0MB0-CWMHX features several technological advancements over DDR4. Key improvements include doubled burst length, increased banks, improved power efficiency with on-die ECC, and Decision Feedback Equalization (DFE) to ensure signal integrity at high frequencies. These modules offer better scalability and performance tuning across varying load conditions, providing a forward-looking memory foundation for next-generation compute infrastructures.

Reliability

The integration of on-die ECC (Error Correction Code) significantly enhances system stability and reduces data corruption, especially in enterprise environments with intensive read/write operations. Coupled with the registered memory architecture (RDIMM), this module ensures synchronized access and clock distribution across memory banks, which is essential for multi-socket server platforms and high-availability computing environments.

ECC and Server-Grade Stability

The Samsung M321RAJA0MB0-CWMHX is equipped with ECC (Error Correction Code) capabilities, a must-have for data integrity in enterprise servers. ECC can detect and correct single-bit memory errors in real-time, preventing system crashes and data loss. It is especially critical in financial systems, cloud services, and scientific research applications where stability is non-negotiable.

Thermal Management

Despite its large capacity and high data rate, the M321RAJA0MB0-CWMHX module maintains excellent thermal performance. The RDIMM format allows for effective heat dissipation, and Samsung’s advanced manufacturing processes ensure lower operating voltages and reduced power draw. The module supports on-DIMM voltage regulation (PMIC), which enhances power delivery and helps maintain thermal balance even in dense server racks.

ECC: ECC Registered

Firmware

Memory module performance and stability may depend on system BIOS and firmware revisions. It is recommended to use the latest BIOS version provided by the server or motherboard manufacturer to ensure DDR5 timing and voltage profiles are correctly applied.

Samsung Enterprise Memory

Samsung is a global leader in memory technology, trusted by enterprise customers worldwide. The M321RAJA0MB0-CWMHX is built using high-quality components and undergoes rigorous validation to meet the demands of 24/7 server operation. With robust support for error correction, ultra-high capacity, and blazing speeds, Samsung enterprise memory modules represent a high-performance, future-ready solution for business-critical environments.

Compatibility

Compatibility is determined primarily by the motherboard chipset and processor memory controller. The Samsung M321RAJA0MB0-CWMHX DDR5 RDIMM is intended for enterprise servers and high-end workstations that explicitly support DDR5 RDIMM ECC memory. It is not suitable for consumer desktops or systems that require unbuffered (UDIMM) modules.