General

Engineer's Note

This Micron 32GB DDR5-4800 Registered DIMM is engineered for enterprise server platforms, ideally suited for memory-intensive tasks such as virtualization, in-memory databases, and demanding multi-tenant workloads where data integrity is paramount. Its ECC and registered signal type ensure robust error correction and stable signal integrity under high-load conditions, while the single-rank x4 organization enhances channel efficiency and lowers access latency, maximizing throughput in dense rack deployments.

Technical Specs & Insights

1. The 32 GB capacity per module allows dense memory configurations essential for virtualized environments, enabling more VMs per server without sacrificing performance headroom.

2. DDR5 technology doubles the prefetch and bank count over previous generations, delivering the memory bandwidth needed for real-time analytics and in-memory database workloads.

3. 4800 MHz transfer rate provides high throughput that keeps modern multi-core server CPUs fed with data, preventing bottlenecks during concurrent transactional processing.

4. Integrated ECC corrects single-bit errors on the fly, ensuring end-to-end data integrity that is non-negotiable for financial calculations and long-running scientific simulations.

5. Registered signal architecture buffers address and command lines, maintaining electrical stability when populating all DIMM slots in a fully loaded rack server and reducing memory controller load.

Why These Specs Matter

The MTC20F1045S1RC48BA2R is a server-class DDR5 RDIMM that directly addresses the most critical pain points in today’s data center: data integrity, massive scalability, and real-time performance. Its ECC protection is non-negotiable in virtualized clusters where a single bit flip can corrupt multiple VMs and lead to undetected data loss. Coupled with registered signaling, the module’s buffered architecture stabilizes command/address lines, letting you fully load a server with high-density 32 GB DIMMs across all memory channels—vital for maximizing VM density without signal degradation. For in-memory databases like SAP HANA, the DDR5-4800 bandwidth and low 1.1 V efficiency combine with the single-rank x4 organization to deliver exceptionally low latency. This means faster query responses and smoother real-time analytics, even as data sets grow. Every design choice—from ECC to registered buffering to fast single-rank operation—translates to fewer application errors, higher consolidation ratios, and a tangible competitive edge in latency-sensitive workloads.

Endurance & Reliability

General Virtualization
For dense virtualization hosts, a balanced memory population is critical. We recommend installing modules in matched sets of eight (8x 32GB) to achieve 256GB total, fully populating a single-socket server’s memory channels for optimal interleaving. This registered ECC configuration supplies enough headroom for 30–40 moderate VMs while maintaining data integrity under sustained load.

In-Memory Database
In-memory databases thrive on capacity and low latency, so deploy a minimum of 16 identical 32GB RDIMMs (512GB) across both processor memory controllers. The single-rank x4 design and CL40 latency deliver fast access, while registered ECC eliminates silent data corruption during high-throughput caching operations. Scale linearly by adding identical DIMMs as dataset size grows.

High-Performance Computing (HPC)
HPC clusters demand bandwidth and resilience. Populate all eight channels per CPU with one 32GB DIMM per channel (256GB total per node) to maximize DDR5-4800 throughput. The registered, single-rank configuration sustains high clock rates under heavy vectorized workloads, and ECC ensures result accuracy over multi-day simulation runs.

Verified Compatibility

Rigorously tested compatibility with Dell PowerEdge R760, HPE ProLiant DL380 Gen11, Lenovo ThinkSystem SR650 V3, Supermicro SYS-220H-TN24R.

FAQ