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| Product Type | Memory Module |
|---|---|
| Memory Capacity | 128 GB |
| Memory Technology | DDR5 |
| Product Voltage | 1.1 V |
| RAM Speed | 5600 MHz |
| RAM Standard | DDR5-5600/PC5-44800 |
| Error Identifying | ECC |
| Signal Type | Registered |
| Column Access Strobe (CAS) | CL40 |
| Rank | Dual Rank x4 |
| Quantity of Pins | 288-pin |
| RAM Genre | RDIMM |
This 128GB DDR5-5600 RDIMM with ECC and registered signaling is engineered for enterprise servers and memory-intensive virtualization workloads, ensuring data integrity under heavy multi-threaded operations. Its dual-rank x4 configuration and CL40 latency optimize bandwidth density and command/address stability, making it ideal for large in-memory databases and hyper-converged infrastructure.
1. 128 GB capacity per module enables dense virtualization footprints, allowing more VMs per server node without sacrificing memory bandwidth.
2. 5600 MT/s data rate accelerates in-memory analytics and AI inference workloads, slashing time-to-insight for enterprise databases.
3. ECC protection corrects single-bit errors and detects multi-bit corruption, preserving data integrity in long-running financial transactions.
4. Registered signaling buffers command and address lines, stabilizing signal integrity across fully loaded 12-channel server boards for seamless hyperscale deployments.
5. Dual Rank x4 organization interleaves memory banks to maximize channel utilization, directly lifting sustained throughput under heavy multi-tenant cloud loads.
In enterprise data centers, the Samsung M321RAJA0MB0-CWMHY RDIMM transforms how your infrastructure handles mission-critical workloads. With 128GB of DDR5-5600 capacity on a single module, it directly addresses the memory density demands of large virtualization clusters, allowing you to consolidate hundreds of VMs onto fewer physical hosts without the bottlenecks of swapping to slower storage. The combination of ECC error correction and registered signal buffering is not just a specification—it means your in-memory databases like SAP HANA or Redis experience rock-solid data integrity, automatically correcting single-bit flips caused by background radiation before they cascade into costly application crashes or data corruption. Its dual-rank x4 architecture combined with a swift 5600MT/s transfer rate amplifies bandwidth efficiency, crucial when multiple analytics engines are simultaneously streaming high-velocity data. Even the 1.1V operating voltage plays a strategic role: by reducing thermal output and power draw across hundreds of modules in a rack, you gain tangible savings in cooling overhead and a lower total cost of ownership, keeping your 24/7 operations both robust and economically sustainable.
General Virtualization
For dense VM hosting, populate one 128 GB RDIMM per memory channel (1DPC) to balance capacity and maximum DDR5-5600 speed. On a typical 8-channel server platform, eight modules deliver 1 TB of ECC-protected memory, ideal for oversubscribed virtualization hosts. Always use identical dual-rank DIMMs across all populated channels to ensure uniform latency and avoid NUMA imbalances.
In-Memory Database
Maximizing capacity is paramount: fill all available DIMM slots with these 128 GB registered modules while respecting the platform limit for 2DPC if needed, though at potentially reduced speed. A single 2-socket server with 24 such DIMMs can reach 3 TB, enabling entire datasets to reside in RAM. Distribute modules symmetrically across memory controllers and sockets to preserve balanced interleaving and low access latency.
High-Performance Computing
HPC workloads demand peak bandwidth; configure one 128 GB DIMM per channel to sustain the full 5600 MT/s transfer rate and avoid per-channel loading penalties. On a 12-channel platform, this yields 1.5 TB with abundant throughput for memory-bound simulations. Use only the pre-validated dual-rank x4 modules matching the server’s approved list to guarantee signal integrity at rated speed under sustained compute loads.
Validated server memory, rigorously tested; compatible with Dell PowerEdge R760, HPE DL380 Gen11, and Lenovo SR650 V3.
Q: Can I mix this M321RAJA0MB0-CWMHY with other memory modules of different brands or speeds?
A: Mixing RDIMMs from different brands or speeds is strongly discouraged. It may cause signal integrity issues, training failures, and system instability on server platforms. Always use identical modules for validated reliability.
Q: Is this memory compatible with my system?
A: This 128GB DDR5-5600 Registered ECC module is designed for dual-socket servers supporting Intel Xeon Scalable (Sapphire Rapids) or AMD EPYC 9004 series. Verify your motherboard’s RDIMM support and maximum capacity per channel.
Q: What is the recommended DIMM population order for optimal performance?
A: Populate identical DIMMs starting from the furthest slot in each memory channel, typically in a balanced configuration across all CPU memory controllers. Always follow your server vendor’s population guide to maintain eight-channel interleaving.
Q: Does this module support overclocking or XMP profiles?
A: No. As an enterprise RDIMM, this module adheres strictly to JEDEC DDR5-5600 standards. It does not support XMP or overclocking; it is engineered for stability and data integrity, not performance tuning.
Q: What warranty and typical failure rate can I expect?
A: This module carries a one-year limited warranty. Typical Annualized Failure Rate (AFR) for such server-grade RDIMMs is under 0.5% when operated within published environmental specifications.