General

Engineer's Note

This is a server-grade DDR5 RDIMM module designed for enterprise platforms and workloads like virtualization and in-memory databases, where the combination of ECC error correction and registered signal buffering ensures maximum data integrity and system stability under heavy, sustained loads. Its dual-rank x8 organization at 6400 MT/s delivers high memory bandwidth while allowing interleaved access across ranks to optimize throughput for dense, multi-DIMM configurations.

Technical Specs & Insights

1. 48 GB capacity per module increases memory density for virtualized environments, enabling more active VMs per server without compromising dedicated bandwidth.
2. 6400MHz transfer speed accelerates throughput for in-memory databases and AI inference, shrinking time-to-insight under heavy concurrent access.
3. ECC protection silently corrects single-bit errors, preserving data accuracy essential for financial ledgers and long-running scientific workloads.
4. Registered buffering strengthens signal integrity across fully populated memory channels, sustaining platform stability in dense multi-socket deployments.
5. Dual Rank x8 architecture overlaps internal bank accesses, elevating sustained bandwidth for consolidation workloads where many threads contend for memory.

Why These Specs Matter

The Micron MTCF208XS1RC64BB1R is an RDIMM, engineered specifically for modern servers where uncompromising data integrity and scalability are non-negotiable. Its first critical feature is ECC error correction. In a virtualized cluster running dozens of VMs, a single bit-flip in memory can corrupt a financial transaction or silently crash a database. ECC detects and corrects these errors in real time, directly protecting your business from data corruption that undermines trust.

Second, the registered signal buffer allows this 48GB module to coexist stably with multiple DIMMs per channel. When you populate a server with large-capacity memory for heavy consolidation, electrical loading becomes a real risk. Registered logic stabilizes command and address signals, so you can scale to terabytes of RAM without mysterious boot failures or intermittent memory errors during peak loads.

The DDR5‑6400 speed combined with dual‑rank x8 organization delivers the bandwidth that in‑memory databases like Redis or SAP HANA thrive on. Dual rank enables rank interleaving, meaning the memory controller can hide row‑activation delays by switching between ranks, sustaining high throughput under random access patterns. For you, this translates to snappier analytics queries and lower latency for real‑time dashboards.

Finally, the 1.1V operating voltage keeps power and cooling costs in check across a dense rack. A server farm filled with these efficient modules reduces energy draw and thermal stress, prolonging hardware life while supporting the relentless 24/7 demands of modern data centers.

Endurance & Reliability

General Virtualization
This 48 GB DDR5-6400 RDIMM excels in dense virtualized environments. A dual-module configuration (96 GB total) per host provides ample headroom for 20–30 moderate VMs, balancing memory bandwidth with cost. For larger clusters, deploy one DIMM per channel (1DPC) to maintain the rated 6400 MT/s speed, avoiding signal loading penalties that dual-rank registered modules can introduce at 2DPC.

In-Memory Database
In-memory databases such as Redis or SAP HANA demand both capacity and low latency. A six-channel server populated with six of these 48 GB modules yields 288 GB, ideal for caching hot datasets entirely in DRAM. The registered ECC ensures data integrity during intense write operations, while dual-rank x8 organization delivers strong throughput critical for real-time query performance.

High-Performance Computing
HPC workloads favor bandwidth over sheer capacity per core. Populate all eight memory channels in a dual-socket server with one of these 48 GB RDIMMs per channel for 384 GB total, achieving peak DDR5-6400 bandwidth. The CL52 latency and dual-rank design suit memory-bandwidth-bound simulations, and ECC protects long-running parallel jobs from silent data corruption.

Verified Compatibility

Rigorously tested server memory, compatible with Dell PowerEdge R760, HPE ProLiant DL380 Gen11, and Lenovo ThinkSystem SR650 V3.

FAQ