General

Engineer's Note

This 48 GB DDR5-6400 RDIMM with ECC and Registered signal type is engineered for enterprise servers and memory-intensive workloads such as virtualization and in-memory databases, where dual-rank x8 organization boosts bandwidth utilization while strict error correction safeguards data integrity. Operating at just 1.1 V with CL52 latency, it delivers high-speed, reliable capacity scaling on next-generation platforms that demand both performance and end-to-end data protection.

Technical Specs & Insights

1. ECC protection actively detects and corrects single-bit memory errors in real time, preventing silent data corruption in mission-critical server workloads and financial transactions.
2. Registered signal buffering stabilizes high-capacity memory configurations, allowing dense server racks to scale up without compromising signal integrity under 24/7 operation.
3. The 48 GB capacity per module leverages 24 Gb DRAM dies to maximize virtual machine density per server node, reducing the need for extra physical DIMM slots in memory-constrained virtualization hosts.
4. DDR5-6400 data rate delivers 51.2 GB/s peak bandwidth per channel, accelerating real-time analytics, in-memory databases, and AI inference pipelines that thrive on rapid data movement.
5. Dual-rank x8 organization interleaves memory accesses across two independent ranks on the same DIMM, sustaining higher effective throughput for heavily consolidated multi-tenant environments.

Why These Specs Matter

The Micron MTCF20F208XS1RC64BC1 is a server-grade DDR5 RDIMM engineered for mission-critical enterprise environments, where every bit of data integrity and every clock cycle counts. Its ECC technology continuously corrects single-bit memory errors, neutralizing the silent threat of bit flips caused by background radiation or cosmic particles. In a dense virtualization cluster hosting dozens of VMs, a single uncorrected error can cascade into hypervisor crashes or data corruption across multiple tenants; ECC turns that catastrophic risk into a non-event, safeguarding your consolidation ratios and uptime SLAs.

The registered signal buffer, coupled with dual-rank x8 organization, stabilizes high-capacity configurations by managing electrical loading on the memory bus. This allows a single server to support 48 GB per module with headroom for future expansion, directly addressing the voracious appetite of in-memory databases like Redis or SAP HANA. At 6400 MT/s, the module’s raw bandwidth shrinks query latency and accelerates real-time analytics, ensuring that large datasets stream to the CPU without starvation. Meanwhile, the low 1.1V operating voltage reduces thermal load and power draw across a fleet of 1U or 2U servers, cutting both cooling costs and total cost of ownership—critical in data centers where every watt directly impacts the bottom line. This RDIMM doesn’t just store data; it fortifies your infrastructure against silent failure while delivering the density and speed to handle tomorrow’s workloads.

Endurance & Reliability

General Virtualization
For a dual-socket virtualization host, populate channels symmetrically with identical 48 GB RDIMMs to preserve balanced memory interleaving. A six- or eight-channel configuration using six or eight modules yields 288 GB or 384 GB total, comfortably supporting 40–60 moderate VMs while leaving headroom for NUMA-aware placement.

In-Memory Database
In-memory databases demand the lowest latency and highest bandwidth; deploy a full population of eight 48 GB dual-rank RDIMMs per socket to saturate all memory channels. The resulting 384 GB per socket allows large datasets to reside entirely in DRAM, and the registered ECC design guarantees data integrity during sustained throughput.

High-Performance Computing (HPC)
HPC workloads benefit from maximum channel utilization and capacity density. Fully populate each memory controller with at least one 48 GB DIMM per channel—eight modules per node—to deliver 384 GB of bandwidth-optimized capacity. Pair these modules with CPUs supporting DDR5-6400 to keep B/F ratio low, and rely on ECC RDIMM resilience for long-running simulation integrity.

Verified Compatibility

Rigorously tested server DDR5 RDIMM, validated for Dell PowerEdge R760, HPE ProLiant DL380 Gen11, Lenovo ThinkSystem SR650 V3.

FAQ