General

Engineer's Note

This 48GB DDR5-6400 RDIMM with ECC and registered signaling is engineered for enterprise servers and memory-intensive workloads such as virtualization and in-memory databases, where the single-rank x4 configuration optimizes signal integrity and channel efficiency. Its 1.1V operating voltage and ECC protection ensure high data integrity and reliability at full 6400MT/s speed, making it ideal for scaled-out deployments that demand both capacity per channel and uncompromising stability.

Technical Specs & Insights

1. Registered buffer preserves command and address signal integrity across fully loaded memory channels, ensuring consistent uptime in large-scale virtualized environments.
2. ECC actively corrects single-bit errors and detects multi-bit faults, shielding critical enterprise data from silent corruption during transactional processing.
3. High-density non-binary capacity boosts memory resources per server node, allowing denser virtual machine consolidation without expanding physical footprint.
4. DDR5 core architecture doubles bank groups and refines power delivery, sustaining elevated throughput for concurrent in-memory database operations.
5. Ultra-fast data rate slashes memory access latency, accelerating real-time analytics and large dataset computations in cloud-native workloads.

Why These Specs Matter

The Micron MTC20F104XS1RC64BC1R is a server-grade DDR5 RDIMM, and its four defining characteristics directly address the critical pain points of modern data centers. First, the 6400 MHz speed and DDR5 architecture pump 51.2 GB/s of peak bandwidth per channel, which is essential for memory-hungry virtualized clusters. When dozens of VMs compete for resources, that throughput prevents I/O stalls and keeps latency-sensitive financial trading or real-time analytics platforms responsive. Second, the onboard ECC corrects single-bit errors automatically. In a 24/7 in-memory database like Redis or SAP HANA, a silent bit-flip caused by cosmic radiation can corrupt financial records or crash an entire node; ECC turns that from a data integrity crisis into a non-event. Third, the registered signal type uses a buffer to stabilize command and address lines, allowing a single server to run multiple DIMMs per channel without signal degradation. This means you can confidently populate all memory slots in a 2U virtualization host to hit terabyte-scale capacity, maximizing consolidation ratios without risking boot failures or intermittent faults. Finally, the 1.1V operating voltage and single-rank x4 configuration deliver a lean 48 GB capacity point that balances density and power efficiency. In a hyperscale rack, this lower energy draw per DIMM translates directly into reduced cooling overhead and a smaller carbon footprint, while the predictable load of a single rank helps maintain consistent high-frequency operation, ensuring your high-performance computing or virtual desktop infrastructure workloads run fluidly around the clock.

Endurance & Reliability

General Virtualization
For dense VM consolidation, this DDR5-6400 Registered ECC module delivers both bandwidth and reliability. A dual-socket server populated with 12 such 48 GB RDIMMs (one per channel) yields 576 GB of balanced capacity, ideal for hosting 50–70 light-to-medium VMs. The ECC and register functions ensure in-memory data integrity, which is critical for multi-tenant stability.

In-Memory Database
Latency-sensitive workloads like Redis or SAP HANA require maximum memory bandwidth and low error rates. Pair six 48 GB modules in a 1 DIMM per channel (1DPC) configuration across a 6-channel platform for 288 GB of high-speed capacity. The 6400 MT/s speed and single-rank x4 organization minimize load on the memory bus, reducing access latency while ECC prevents silent data corruption.

HPC
Memory-bound scientific simulations demand both capacity and aggregate throughput. Populate all 8 memory channels of a dual-processor node with one 48 GB RDIMM each to achieve 384 GB total while maintaining the highest possible native speed (no clock-down from 2DPC). The registered nature stabilizes signal integrity at scale, and 6400 MHz data rate ensures fast delivery of large vectors to the CPU cores.

Verified Compatibility

Server memory validated for Dell PowerEdge R760, HPE ProLiant DL380 Gen11, Lenovo ThinkSystem SR650 V3.

FAQ