General

Engineer's Note

Designed for enterprise servers, this 32 GB DDR5-4800 RDIMM with ECC and registered signaling ensures data integrity and signal stability for mission-critical workloads such as virtualization and in-memory databases. Its single-rank x4 organization delivers optimized memory access parallelism, while the 1.1 V operating voltage improves energy efficiency across dense rack deployments.

Technical Specs & Insights

1. Per module capacity of 32 GB enables higher VM density per server, maximizing consolidation ratios and reducing infrastructure footprint in cloud data centers.
2. The 4800 MHz data rate delivers significant memory bandwidth, accelerating real-time analytics and in-memory database transactions in enterprise servers.
3. Hardware ECC automatically corrects single-bit errors, preserving data integrity and system uptime crucial for financial transactions and mission-critical applications.
4. Registered buffering strengthens command/address signals, enabling fully populated memory channels for large-scale virtualization without compromising stability.
5. Operating at just 1.1 V, this module reduces power draw per DIMM, lowering energy costs and thermal output in dense rack deployments.

Why These Specs Matter

The Micron MTC20F1045S1RC48BA2 is a server-class DDR5 RDIMM engineered to resolve the most demanding data center challenges. Its integrated ECC actively corrects single-bit errors before they corrupt transactional records or cause hypervisor crashes, keeping virtualized server clusters and multi-tenant environments stable around the clock. The registered architecture buffers command and control signals, preserving signal integrity even when all 24 DIMM slots are fully populated; this eliminates random memory faults that would otherwise plague large VMware or VDI deployments. At 4800 MT/s, the module provides the sustained bandwidth required by in-memory databases such as SAP HANA and Redis, dramatically reducing query latency under heavy concurrent user loads. Finally, operating at just 1.1 V, it draws significantly less power per DIMM than previous generations. Across a rack of servers, that efficiency lowers cooling overhead and extends component lifespan, delivering meaningful reductions in total cost of ownership while your critical applications run faster and more reliably.

Endurance & Reliability

General Virtualization
For a hypervisor hosting multiple VMs, density and reliability are critical. Deploy six to eight of these 32 GB RDIMMs across balanced memory channels to provide 192–256 GB total capacity, ensuring ample headroom for memory overcommitment while ECC protection guards against data corruption.

In-Memory Database
In-memory databases demand both capacity and sustained throughput. Populate all available channels with one DIMM per channel (1DPC) using these 32 GB modules, targeting 256 GB or more. The registered design and single-rank x4 configuration enable high clock rates at full channel loading, minimizing latency for real-time analytics.

High-Performance Computing
HPC workloads thrive on bandwidth, so install eight modules in a dual-processor server, one per channel, to maximize interleaving. The 4800 MT/s speed and ECC ensure stable, error-free floating-point calculations, while the 32 GB capacity per DIMM scales to 256 GB per node, ideal for large simulation datasets.

Verified Compatibility

Rigorously tested for server compatibility: Dell PowerEdge R760, HPE ProLiant DL380 Gen11, Lenovo ThinkSystem SR650 V3.

FAQ