General

Engineer's Note

This DDR4-2400 Registered ECC memory module is tailored for server platforms, reliably supporting virtualization, in-memory databases, and mission-critical workloads that demand uncompromising data integrity. Its single-rank x4 organization and registered signal technology ensure stable operation across densely populated memory channels, while ECC correction guards against single-bit errors in 24/7 environments.

Technical Specs & Insights

1. ECC single-bit error correction and multi-bit detection shields virtualized databases from silent data corruption, transforming undetected memory faults into preserved transaction integrity.
2. Registered signal buffering decouples the electrical load from the memory controller, enabling dense server boards to pack more DIMMs per channel without sacrificing command-address stability.
3. The 8‑gigabyte base capacity delivers an optimal building block for cookie‑cutter microservice pods that prioritize low‑power operation while still holding a complete hypervisor and guest set.
4. 2400 megatransfers per second throughput supplies the headroom modern multi‑core server CPUs need to prevent memory bandwidth from becoming the bottleneck in real‑time analytics pipelines.
5. Single‑rank x4 organization trims per‑access activation energy and reduces inter‑symbol interference, giving 1‑DPC data centers a measurable latency advantage under random read‑dominated HPC workloads.

Why These Specs Matter

The Micron MTA36ASF2G72PZ-2G3A3II is an 8GB DDR4-2400 RDIMM engineered for server environments where uptime and data integrity are non-negotiable. Its ECC capability is your first line of defense against soft errors. In a virtualization cluster hosting dozens of VMs, a single undetected bit flip in memory can corrupt a database transaction or silently destabilize a guest operating system. ECC automatically detects and corrects these errors in real time, preventing random crashes that would otherwise require costly diagnostics and downtime.

The registered signal buffer directly addresses a major pain point when scaling memory capacity. In dense database servers, populating multiple DIMMs per channel often compromises signal integrity, causing system instability. The on-board register redrives address and command signals, maintaining clean communication between the CPU and memory even when all slots are fully loaded with large-capacity modules. This lets you confidently scale your in-memory database instance, such as a Redis cluster handling millions of transactions per second, without sacrificing reliability.

Supporting this is the Single Rank x4 organization on a 288-pin design, which optimizes bank-level parallelism. In a virtualized environment, simultaneous requests from multiple VMs hit memory controllers hard. The x4 rank configuration provides finer-grained access and sustains higher bandwidth under saturated workloads, reducing I/O latency spikes during peak times. Together with a steady 2400MHz frequency at a modest CL17 latency and energy-efficient 1.2V operation, this RDIMM ensures your critical services remain responsive and power-optimized, directly translating to lower operational risk and a more predictable total cost of ownership.

Endurance & Reliability

The provided module is an 8GB DDR4-2400 ECC Registered RDIMM (single rank, x4), confirming it is server-class memory. Below are capacity planning scenarios for common enterprise workloads.

General Virtualization
For a virtualized environment hosting a mix of applications, balance capacity and bandwidth by populating all memory channels identically. A dual-socket server with 12 modules (96GB total) allows efficient memory interleaving and supports 10–15 light VMs, with ECC ensuring host stability.

In-Memory Database
In-memory databases require maximum capacity and reliable low latency. Populate two DIMMs per channel using these identical 8GB modules to reach 128GB on a 16-slot server while maintaining 2400MHz speed—thanks to single-rank design. The registered ECC buffer safeguards critical data integrity for real-time analytic platforms.

High-Performance Computing
HPC applications are bandwidth-sensitive. Install one DIMM per channel to avoid memory downclocking; a dual-socket system with 16 modules delivers 128GB at peak 2400MHz throughput. The ECC RDIMMs provide the necessary error resilience for long-running simulations and large-scale computations.

Verified Compatibility

Rigorously validated for Dell PowerEdge R740, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650.

FAQ