General

Engineer's Note

Designed for server platforms, this 24 GB DDR5-6400 RDIMM leverages registered signal buffering and ECC to guarantee data integrity and stability in memory-intensive workloads such as virtualization and in-memory databases. Its single-rank x8 configuration at CL52 delivers a balanced combination of high transfer rates and low latency, maximizing throughput per channel in dense multi-DIMM deployments.

Technical Specs & Insights

1. Error-correcting code support silently corrects single-bit memory errors, preserving data integrity for mission-critical databases and financial transactions.
2. Registered clock drivers stabilize signal integrity under heavy load, allowing dense server configurations to scale memory capacity without compromising reliability.
3. High memory bandwidth accelerates in-memory analytics and large dataset processing, reducing latency for virtualized workloads and AI inference.
4. A non-binary capacity optimizes cost-per-virtual-machine by providing just the right headroom for moderate consolidation, maximizing ROI in cloud environments.
5. Single-rank x8 organization minimizes electrical loading on the memory channel, ensuring consistent high-speed operation even across fully populated server boards.

Why These Specs Matter

For enterprise servers, the Micron 24GB DDR5-6400 RDIMM resolves critical challenges in virtualized and data-intensive workloads. In a VMware or KVM cluster running dozens of VMs, ECC memory is non-negotiable—it corrects single-bit errors in real time, preventing silent data corruption that could crash a mission-critical VM or corrupt a database. The registered buffer amplifies control signals, so you can fully populate all DIMM slots with confidence, achieving multi-terabyte capacities without signal degradation. In memory-first databases like Redis or SAP HANA, the 6400MT/s throughput and single-rank x8 configuration are equally vital. The single-rank design minimizes electrical loading on the memory bus, reducing access latency and enabling consistently high IOPS under heavy concurrent queries. Even at 24GB per module, this density supplies ample cache for large datasets while maintaining signal integrity, perfect for dense 1U/2U servers. The result: uncompromising uptime and faster data insights, directly protecting your business continuity.

Endurance & Reliability

General Virtualization
For a 24GB Registered ECC DDR5-6400 module, populate a dual-socket server with a balanced six or twelve DIMM configuration to maximize memory bandwidth while maintaining spare capacity. Use three or six identical 24GB RDIMMs per CPU to enable full memory interleaving and avoid performance penalties. This setup comfortably supports 20–30 lightweight VMs, leaving headroom for failover and hypervisor overhead.

In-Memory Database
In latency-sensitive in-memory databases, deploy multiples of eight 24GB RDIMMs to achieve a total capacity aligned with dataset size, typically 192GB or 384GB across all channels. The high 6400MT/s speed and single-rank x8 organization reduce access latency, while ECC protection guards against silent data corruption. Always keep one DIMM slot per channel free to accommodate future scaling without rebuilding the memory topology.

High-Performance Computing
For HPC clusters where memory bandwidth per core is critical, install one 24GB DIMM per memory channel across all available channels — usually eight per socket — to fully saturate the 8-channel DDR5 architecture. The registered ECC signaling ensures signal integrity at 6400MT/s under sustained parallel workloads. This configuration delivers peak throughput for MPI-based simulations while the 24GB capacity per module offers a cost-effective balance between density and per-core memory allocation.

Verified Compatibility

Rigorously tested, compatible with Dell PowerEdge R7615, HPE DL385 Gen11, Lenovo SR665 V3, and Supermicro H13.

FAQ