General

Engineer's Note

This DDR4-2400 Registered ECC module is a server memory solution purpose-built for virtualization clusters and in-memory database workloads that demand uncompromising data integrity. Its registered signal topology combined with a dual-rank x8 organization stabilizes high-capacity memory channels, reducing electrical loading and enabling consistent 17-cycle CAS latency under sustained multi-DIMM access.

Technical Specs & Insights

1. ECC protection silently corrects single-bit errors, safeguarding transactional integrity and eliminating silent data corruption in virtualized database environments.
2. Registered buffering stabilizes signal paths across high-density memory channels, enabling reliable operation even with fully populated server boards.
3. A sixteen-gigabyte capacity per module significantly increases virtual machine density, letting more workloads reside in memory and reducing costly disk-based swapping.
4. Dual-rank x8 organization interleaves memory accesses to keep server-class channels saturated, sustaining uniform bandwidth under heavy multi-tenant loads.
5. This speed grade delivers ample throughput for latency-sensitive enterprise applications while staying within the power budget of large-scale data center deployments.

Why These Specs Matter

The Micron MTA18ASF2G72PDZ-2G3D1SI is a 16GB DDR4-2400 RDIMM that turns memory into a reliability asset. For server workloads like virtualization clusters and in-memory databases, four features make a measurable difference. First, its ECC corrects single-bit errors silently. In a dense VM host, this prevents bit flips from corrupting hypervisor data or cache, ensuring transaction accuracy and non-stop uptime. Second, the registered buffer stabilizes signals across high-density configurations. When you install multiple DIMMs for a 50-VM server, the buffer eliminates signal degradation, letting every 16GB module boot reliably and avoid expensive POST failures. Third, the dual-rank x8 architecture exploits rank interleaving to deliver higher bandwidth and lower effective latency. For a memory database like Redis, this translates into more queries per second and snappier real-time analytics. Fourth, the 1.2V low-voltage design cuts power consumption per module. Across a farm hosting hundreds of VMs, these savings cut cooling and TCO.

Endurance & Reliability

Memory Type Assessment: This is a server-class DDR4-2400 Registered ECC DIMM (RDIMM) with 16GB capacity, dual-rank x8, and 1.2V voltage — ideal for rack and tower servers. Below is the capacity planning guidance.

General Virtualization
Populate one 16GB RDIMM per memory channel to balance bandwidth and capacity. For a dual-socket server with eight channels, eight modules yield 128GB, comfortably supporting 30–50 light to medium VMs. Symmetric channel filling avoids bottlenecks and keeps latency low under mixed workloads.

In-Memory Database
Maximize capacity by filling all DIMM slots; a two-socket server with 24 slots can host 24 of these 16GB RDIMMs for 384GB total. Running at 2DPC may lower speed slightly, but the large memory pool holds entire datasets in DRAM, and ECC ensures critical data integrity for Redis, Memcached, or SAP HANA.

High-Performance Computing (HPC)
Prioritize memory bandwidth by using one 16GB module per channel (1DPC) to maintain full 2400MT/s. In a typical dual-socket HPC node with twelve channels, twelve modules provide 192GB of balanced, low-latency capacity. This configuration sustains high throughput for simulation, modeling, and parallel I/O without rank-switching penalties.

Verified Compatibility

Rigorously tested, guaranteed compatible with Dell PowerEdge R760, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650, and Cisco UCS C220 M5.

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