General

Engineer's Note

This 48 GB DDR5-4800 Registered ECC DIMM is purpose-built for server platforms running memory-intensive workloads such as virtualization and in-memory databases, where its dual-rank x8 organization maximizes bank-level parallelism and sustained throughput under heavy multi-threaded access. The combination of ECC and registered signal buffering guarantees end-to-end data integrity and robust signal stability, making it the ideal choice for mission-critical enterprise deployments that cannot tolerate silent data corruption.

Technical Specs & Insights

1. The 48 GB capacity per module, enabled by non-power-of-two die stacking, directly maximizes memory density per server slot to support larger virtual machine footprints without adding extra physical hardware.
2. DDR5 technology doubles the burst length and introduces decision feedback equalization, giving enterprise workloads substantially higher effective bandwidth under heavy concurrent access patterns.
3. ECC integrated into the RDIMM transparently corrects single-bit errors in real time, preserving data integrity for mission-critical databases and long-running computational tasks.
4. Registered signaling re-drives address and command lines across the module, allowing hyperscale servers to scale to massive total capacities while maintaining rock-solid signal integrity.
5. Dual rank x8 organization interleaves memory accesses across two internal ranks, ensuring consistent throughput and low latency even when all server cores are fully loaded with consolidated services.

Why These Specs Matter

Designed for the relentless demands of modern data centers, the Micron MTC20F208XS1RC48BB1R RDIMM transforms how your infrastructure handles mission-critical workloads. Its 48GB capacity per module, built on DDR5 technology, immediately addresses the memory density bottleneck in virtualization clusters. When you are running dozens of virtual machines on a single host, the Dual Rank x8 organization combined with a 4800 MHz speed delivers substantially higher bandwidth, allowing hypervisors to service concurrent I/O requests without cache thrashing. This translates to smoother VM responsiveness and more guests per server, directly lowering your total cost of ownership.

The true foundation of trust lies in its ECC and Registered signal architecture. In an in-memory database like SAP HANA or Redis, a silent bit flip can corrupt a financial transaction or poison a real-time recommendation engine. ECC detects and corrects these errors on the fly, while the register buffer isolates the electrical load of multiple high-capacity DIMMs, ensuring rock-solid signal integrity even at 1.1V. For your dense analytics farm or AI inference pool, this configuration eliminates memory-related downtime and safeguards data accuracy. You are not just buying a memory module; you are investing in the operational certainty that keeps your business logic flawless, your databases consistent, and your service-level agreements firmly intact.

Endurance & Reliability

General Virtualization
For a typical hypervisor hosting 20–40 mixed VMs, populate all memory channels symmetrically per socket to sustain memory bandwidth under consolidation workloads. A balanced six- or eight-module configuration using these 48 GB RDIMMs provides 288–384 GB of registered DDR5 capacity, comfortably covering common virtualized environments. Always install identical DIMMs in each channel and avoid mixing densities to preserve single- or dual-DPC timing performance and ECC reliability.

In-Memory Database
When supporting platforms like Redis, Memcached or SAP HANA, prioritize high capacity with low latency. Deploy twelve modules across a dual-socket server for 576 GB, enabling large in-memory datasets while the ECC and registered signaling protect data integrity during aggressive read/write operations. Distribute the DIMMs evenly (six per CPU) in a balanced channel population to maintain uniform memory access and avoid NUMA bottlenecks.

High-Performance Computing
HPC nodes benefit from full channel population to maximize the 4800 MT/s bandwidth. An eight-module configuration per node delivers 384 GB of dual-rank x8 memory, feeding compute-heavy simulations and parallel I/O efficiently. Standardize this identical DIMM topology across all cluster nodes to ensure predictable job scheduling, and rely on the registered ECC features to detect and correct errors during multi-day runs without silent data corruption.

Verified Compatibility

This 48GB DDR5 RDIMM is rigorously tested and compatible with Dell PowerEdge R760, HPE DL380 Gen11, Lenovo SR650 V3.

FAQ