General

Engineer's Note

This Registered DDR5-4800 RDIMM with ECC is engineered for server platforms and is ideally suited for memory-intensive workloads such as virtualization, in-memory databases, and mission-critical enterprise applications. Its Registered signal architecture ensures stable operation under heavy load, while ECC and the aggressive CAS latency of 4 cycles minimize data corruption risks and memory access latency for enhanced integrity and responsiveness.

Technical Specs & Insights

1. ECC error correction automatically detects and repairs single-bit data corruption in real time, preserving transactional accuracy for mission-critical enterprise databases and financial processing.
2. Registered signal buffering isolates the memory controller from electrical loading on command and address lines, maintaining rock-solid stability as server memory channels scale to full capacity.
3. A 32-gigabyte capacity per module raises the memory ceiling of rack servers, allowing a higher density of virtual machines per node without sacrificing performance in hyper-converged infrastructures.
4. DDR5-4800 delivers a substantial 38.4 GB/s of peak bandwidth per channel, accelerating large dataset computations and in-memory analytics that drive real-time business intelligence.
5. Operating at just 1.1 volts, the module curbs power draw and thermal output in densely packed server racks, reducing total cost of ownership through lower cooling and energy expenses.

Why These Specs Matter

Engineered for mission-critical server environments, the M329R4GA0BB0-CQKMG is a 32GB DDR5-4800 Registered DIMM that directly translates its advanced specifications into rock-solid data center reliability. Its ECC technology is your last line of defense against bit-flip errors, which is vital when running in-memory databases like SAP HANA, where a single silent corruption in a financial transaction can cascade into revenue-impacting miscalculations. The registered signal type buffers the command and address lines, stabilizing the electrical load so you can fully populate all memory channels in a dense virtualization cluster without signal degradation—meaning your hypervisor stays up even when hosting dozens of critical VMs on one physical host. Combined with a single-rank x4 organization and an exceptionally low CAS latency of CL4, this module delivers the minimal access delays and high sustained bandwidth that latency-sensitive workloads, such as real-time analytics and high-frequency trading platforms, demand under heavy concurrent load. At just 1.1 volts, it also maximizes energy efficiency per transaction, lowering both operating temperatures and your total cost of ownership while ensuring 24/7 data integrity.

Endurance & Reliability

General Virtualization
This 32GB DDR5-4800 RDIMM is ideal for virtualized environments. For moderate consolidation, install a minimum of four modules (128GB total) across dual-processor servers to populate one DIMM per channel, balancing capacity and memory bandwidth. Scale to eight or sixteen identical modules for denser VM hosting, always maintaining a balanced configuration to leverage the registered ECC reliability.

In-Memory Database
Low-latency, high-integrity workloads demand both capacity and data protection. Deploy six or eight of these single-rank x4 RDIMMs (192GB–256GB) in a dual-socket server, filling all channels for maximum throughput while ECC guards against bit errors. For larger in-memory datasets, consider fully populating all DIMM slots with identical 32GB modules to achieve terabyte-scale capacity without mixing ranks, preserving consistent CL4 timing.

High-Performance Computing
HPC clusters benefit from the module’s high bandwidth and registered signaling. Per node, install eight units (256GB) in a balanced eight-channel configuration to saturate memory bandwidth for parallel simulations and modeling. The 1.1V low voltage helps manage thermal density in racked nodes, and ECC is essential for long-running compute jobs where data corruption cannot be tolerated.

Verified Compatibility

Proven compatible after rigorous testing with Dell PowerEdge R760, HPE ProLiant DL380 Gen11, Lenovo ThinkSystem SR650 V3.

FAQ