General

Engineer's Note

This 64 GB DDR5-4800 Registered ECC RDIMM is engineered for enterprise server platforms, delivering the data integrity and massive capacity essential for virtualization clusters, in-memory databases, and mission-critical workloads. Its dual-rank x4 organization maximizes interleaving throughput while integrated ECC and register buffering safeguard signal stability and real-time error correction under sustained heavy load.

Technical Specs & Insights

1. ECC protection detects and corrects single-bit memory errors in real time, preventing silent data corruption that could compromise transactional databases or critical analytics workloads.
2. Registered signal buffering decouples the memory controller from the DRAM chips, enabling massive memory populations and rock-solid signal integrity across fully loaded server racks.
3. 64 GB capacity per module dramatically increases memory density per server, allowing more virtual machines or containers to run simultaneously without swapping to storage.
4. DDR5 technology delivers a major leap in memory bandwidth and bank-group architecture, accelerating parallel data access for in-memory computing and AI inference tasks.
5. Dual Rank x4 organization interleaves accesses across two internal ranks, maximizing bus utilization and sustaining high throughput even under heavy multi-socket processing.

Why These Specs Matter

When you deploy a virtualization cluster hosting dozens of mission-critical VMs, the integrity of every single bit in memory directly determines your uptime. This Micron MTC40F2046S1RC48B is a 64GB DDR5-4800 Registered ECC RDIMM, purpose-built exactly for that reality. Its ECC engine silently corrects single-bit errors caused by cosmic background radiation—an absolute necessity when a flipped bit inside a financial database or a live customer record could cascade into silent data corruption and costly outages. Meanwhile, the Registered signal buffer transforms system stability under heavy loads: in a dense 2-socket server fully populated with memory, it isolates the command-address bus so your memory controller can reliably drive dozens of DIMMs without signal decay, letting you confidently scale to terabytes of RAM for a large in-memory database like SAP HANA or Redis. That massive 64GB capacity on a single module, built with a Dual Rank x4 organization, further unlocks higher bandwidth through interleaving. In practice, this means your virtualized analytics platform processes simultaneous queries faster because the memory subsystem overlaps accesses across ranks, reducing latency spikes during peak OLAP workloads. The 4800 MHz DDR5 speed at a low 1.1V supplies the raw throughput for real-time data processing while keeping datacenter power thermals manageable. This module is not simply a component—it is the foundation for uncompromising data integrity, extreme scalability, and responsive performance in environments where seconds of delay or a single corrupted value can translate directly into revenue loss.

Endurance & Reliability

This 64GB DDR5-4800 CL40 ECC Registered DIMM (288-pin, dual-rank) is a server-class memory module for enterprise platforms. Use these capacity planning guidelines:

General Virtualization
To host numerous VMs, populate all memory channels symmetrically for optimal bandwidth. A dual-socket server with eight channels per CPU benefits from eight or sixteen 64GB RDIMMs (512GB/1TB), ensuring balanced NUMA domains.

In-Memory Database
For in-memory databases like SAP HANA, maximize capacity by fully populating all DIMM slots. A dual-socket server with 24 slots can accommodate 1.5TB using 64GB RDIMMs; verify platform support for two DIMMs per channel at 4800. Balance memory across controllers to minimize latency.

High-Performance Computing
For HPC, install one 64GB DIMM per memory channel (1DPC) to sustain the full 4800 MT/s data rate. In an 8-channel dual-socket node, 16 modules deliver 1TB with uniform access, ideal for simulations. Always match modules for signal integrity and ECC reliability.

Verified Compatibility

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

FAQ