General

Engineer's Note

Designed as an 8 GB DDR4-2400 registered ECC module, this RDIMM is ideally suited for server platforms handling virtualization, in-memory databases, and other latency-sensitive enterprise workloads where data integrity is non-negotiable. Its registered signal type combined with ECC ensures exceptional electrical stability on high-density memory channels, and the single-rank x8 organization optimizes command bus efficiency to deliver consistent CL17 latency even under substantial load.

Technical Specs & Insights

1. Error-correcting code memory detects and corrects single-bit errors, safeguarding transactional data integrity in mission-critical database servers.
2. Registered DIMM architecture buffers command and address signals, enabling stable population of high-density memory configurations across multiple server nodes.
3. Single-rank, x8 organization reduces electrical loading on the memory bus, ensuring reliable high-frequency operation for latency-sensitive enterprise applications.
4. Eight-gigabyte capacity per module allows fine-grained memory provisioning, optimizing virtual machine density in hyperconverged infrastructure deployments.
5. DDR4-2400 speed tier provides sufficient throughput for parallel data analytics workloads, balancing bandwidth with power efficiency in scale-out server farms.

Why These Specs Matter

Designed as a high-performance DDR4 RDIMM, the Micron MTA9ASF1G72PZ-2G3A1 brings enterprise-grade reliability to the data center, where every bit matters. Its ECC capability is a frontline defense against single-bit errors caused by cosmic radiation, silently correcting corruption before it cascades into a server crash—a non-negotiable safeguard for your 24/7 virtualized clusters hosting dozens of critical VMs. The registered buffer is equally vital, re-driving signals to allow stable operation when you populate all channels; this means you can confidently scale to higher capacities for heavy memory-database workloads like Redis or SAP HANA without signal degradation. The single-rank x8 configuration further reduces electrical loading, shaving off latency and improving command bus efficiency. Combined with a true 2400MHz speed at CL17, it delivers consistent 19.2 GB/s bandwidth, ensuring that real-time in-memory analytics process massive datasets in seconds, not minutes. For a virtual infrastructure stack or a latency-sensitive transactional database, this translates directly into fewer application hiccups, predictable performance under heavy multi-tenant loads, and a lower total cost of risk.

Endurance & Reliability

General Virtualization
For virtualized environments running multiple VMs, populate at least one of these 8GB RDIMMs per memory channel to preserve bandwidth. A typical dual-socket server with 12 channels can deliver 96GB using 12 modules, or scale to 128GB with 16 modules—sufficient for 20–30 light workloads. Leave half the slots free for future expansion to 192GB by adding a second DIMM per channel without sacrificing speed.

In-Memory Database
In-memory databases like Redis or SAP HANA demand both capacity and low latency. Deploy 24 of these 8GB modules for a 192GB symmetrical configuration, or 32 modules for 256GB on platforms supporting two DIMMs per channel. Always balance population across all channels to avoid NUMA penalties, and use identical modules to guarantee reliable ECC operation under sustained 1.2V load.

High-Performance Computing
HPC codes thrive on bandwidth, so one module per channel is ideal. Install 8 or 12 of these Single Rank x8 DIMMs in a dual-socket system to achieve maximum 2400MT/s throughput with minimal rank loading. For capacity-bound simulations, a 2-DIMM-per-channel layout using 16–24 modules supplies up to 192GB while keeping clock speeds stable, provided your board supports it at CL17.

Verified Compatibility

This server memory is rigorously tested, compatible with Dell PowerEdge R740, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650, and more.

FAQ