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| Product Type | Memory Module |
|---|---|
| Memory Capacity | 64 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) | CL46 |
| Rank | Dual Rank |
| Quantity of Pins | 288-pin |
| RAM Genre | RDIMM |
This 64GB DDR5-5600 Registered ECC RDIMM is purpose-built for enterprise server platforms, delivering uncompromising data integrity for mission-critical workloads such as virtualization and in-memory databases. Its dual-rank architecture maximizes memory bandwidth through rank interleaving, while the registered signal type ensures stable operation in high-density configurations by reducing electrical load on the memory bus.
1. High-density module packs ample memory resources to maximize VM per host, directly lowering infrastructure overhead in dense virtualization clusters.
2. DDR5’s doubled bank groups and on-die ECC bolster data throughput and reliability for memory-intensive enterprise applications.
3. End-to-end error correction prevents silent data corruption, a non-negotiable for financial databases and mission-critical services.
4. Registered DIMM architecture stabilizes signal integrity at scale, enabling servers to support massive RAM configurations without compromising uptime.
5. Dual-rank interleaving sustains channel utilization under concurrent workloads, boosting throughput for multi-tenant cloud environments.
The M321R8GA0PB0-CWMXH is a server-grade RDIMM engineered for data centers where every bit matters. Its ECC technology actively detects and corrects single-bit memory errors caused by cosmic radiation or electrical noise. In a virtualized cluster running dozens of production VMs, a silent bit flip in a hypervisor’s memory could corrupt guest operating systems and trigger cascading failures; ECC eliminates that risk, protecting uptime and data integrity without administrator intervention.
The registered architecture buffers command and address signals, allowing a single server to support massive 64 GB modules across all memory channels while maintaining signal clarity. This is critical in memory-hungry in‑memory databases like SAP HANA or Redis, where the entire dataset resides in DRAM. Paired with DDR5‑5600 speed and a dual‑rank design that pipelines data access across two internal banks, the module substantially increases bandwidth and reduces latency under heavy concurrent queries. For a real‑time fraud detection system processing millions of transactions, that means results arrive within the tight decision window rather than being delayed by memory bottlenecks. Together, these four attributes deliver the reliability, capacity, and speed that enterprise workloads demand, turning raw DRAM into a foundation for always‑available services.
Server Memory Identified
The provided specifications—DDR5-5600 ECC Registered RDIMM, 64GB capacity, dual rank, and 288-pin—confirm this is a server-grade module designed for stability and data integrity in multi-socket platforms.
General Virtualization
For general virtualization, start with one 64GB RDIMM per channel to balance cost and density. A dual-socket server with eight channels total offers 512GB, comfortably supporting dozens of lightweight VMs. Leveraging dual-rank modules maximizes bandwidth, reducing memory latency under mixed workload consolidation.
In-Memory Database
In-memory databases demand both high capacity and fault tolerance. Fully populate all memory channels with these 64GB ECC modules to achieve 1TB or more while preserving interleaved throughput. The registered ECC ensures end-to-end data integrity, critical for transactional consistency and preventing silent corruption in large-scale caching.
High-Performance Computing
HPC workloads benefit from balanced DIMM populations for optimal memory bandwidth. On a per-socket basis, install eight identical 64GB RDIMMs to saturate the DDR5-5600 interface. Dual-rank modules provide the best performance per channel without excessive load, making them ideal for simulation codes and parallel I/O streaming where sustained throughput matters more than total capacity.
Rigorously tested for compatibility with Dell PowerEdge R760, HPE ProLiant DL380 Gen11, Lenovo ThinkSystem SR650 V3, and more.
Q: Can I mix this M321R8GA0PB0-CWMXH with other memory modules of different brands or speeds?
A: Mixing with different brands or speeds is not recommended for this registered server DIMM. Mismatched modules may cause system instability, prevent booting, or force the memory to run at the lowest common speed, undermining reliability.
Q: Is this memory compatible with my system?
A: This is a DDR5-5600 Registered DIMM with ECC, designed for servers using Intel Xeon Scalable (4th Gen+) or AMD EPYC (9004 Series+) platforms. Please verify your motherboard’s qualified vendor list (QVL) for this specific 64GB RDIMM.
Q: What is the recommended DIMM population order for optimal performance?
A: For dual-socket servers, populate identical DIMMs in balanced configurations across all memory channels per CPU. Typically, start with the furthest slot from the CPU in each channel, ensuring both processors have equal capacity to maximize interleaving.
Q: Does this module support overclocking or XMP profiles?
A: No. This is an enterprise-grade RDIMM adhering to JEDEC standards for stability. It does not support XMP or overclocking, as data integrity and 24/7 reliability are prioritized over frequency tuning in server environments.
Q: What warranty and typical failure rate can I expect?
A: This module includes a 1-year warranty. As a server-grade RDIMM with built-in ECC, the annualized failure rate (AFR) is typically very low, significantly reducing the risk of data corruption and unplanned downtime compared to non-ECC memory.