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Micron MTA9ASF1G72PZ-2G3B1MK 8GB DDR4 RDIMM 2400MT/s | Reliable RDIMM

MPN:MTA9ASF1G72PZ-2G3B1MK By:Micron Warranty:1 year
US$155 - $168
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General

Product TypeMemory Module
Memory Capacity8 GB
Memory TechnologyDDR4
Product Voltage1.2V
RAM Speed2400MHz
RAM StandardDDR4-2400/PC4-19200
Error IdentifyingECC
Signal TypeRegistered
Column Access Strobe (CAS)CL17
RankSingle Rank x8
Quantity of Pins288-pin
RAM GenreRDIMM

Engineer's Note

This is a server-class DDR4-2400 Registered ECC RDIMM optimized for virtualization, in-memory databases, and other mission-critical enterprise workloads that demand uncompromising data integrity. Its single-rank x8 organization minimizes electrical loading on the memory bus for improved signal stability, while ECC with registered signal buffering enables reliable 24/7 operation in dense multi-DIMM configurations.

Technical Specs & Insights

1. ECC protection actively detects and corrects memory errors in real time, preserving data integrity for financial ledgers and virtualization hosts where even a single bit-flip could cascade into costly downtime.
2. Registered signal buffering stabilizes high-density server configurations by reducing per-channel electrical load, enabling seamless scaling of memory-hungry enterprise applications without sacrificing signal quality.
3. A generous capacity tier accommodates dense container orchestration and multi-tenant cloud instances, directly improving consolidation ratios while maintaining responsive SaaS delivery.
4. Balanced frequency delivery sustains high-throughput packet processing and in-memory database operations, slicing latency in query executions that demand consistent bandwidth.
5. Single Rank x8 organization streamlines memory access patterns and lowers rank-to-rank switching overhead, yielding predictable low-latency responses under sustained transactional workloads.

Why These Specs Matter

The Micron MTA9ASF1G72PZ-2G3B1MK, an 8GB DDR4-2400 RDIMM, embeds four features that directly address critical data center challenges. ECC continuously corrects memory cells that could otherwise flip under cosmic rays, protecting virtualized workloads from silent data corruption—whether it is a Hyper-V cluster hosting business-critical applications or an in-memory Redis database serving real-time transactions. The registered buffer strengthens signal integrity, allowing you to install high-capacity memory configurations across all channels without sacrificing stability, essential for scaling VMware ESXi hosts to support hundreds of VMs. With 1.2V operation, power efficiency is maximized, reducing both electricity costs and thermal stress in dense rack deployments. Meanwhile, the single-rank x8 architecture places minimal electrical load on the memory controller, ensuring the full 2400MT/s bandwidth stays consistent even in fully populated servers. The result is unwavering uptime, faster query responses, and predictable latency for your SQL analytics or microservices environment.

Endurance & Reliability

General Virtualization
For a typical ESXi or Hyper-V host, populate all memory channels symmetrically to maximize bandwidth. Using this 8 GB DDR4-2400 RDIMM, start with a 4-module kit (32 GB) across one CPU’s channels, or scale to 8 identical modules (64 GB) for moderate VM densities. Match the DIMM count per CPU to avoid unbalanced NUMA configurations and ensure consistent performance under consolidation.

In-Memory Database
Low-latency in-memory engines like Redis or SAP HANA demand both capacity and reliability. Deploy high-density configurations with a minimum of 16 modules (128 GB) per socket, leveraging Registered ECC to sustain data integrity. Plan for 256 GB and above by populating all 24 or more DIMM slots, and consider using dual-rank variants if reaching capacity limits, though these single-rank 8 GB RDIMMs remain excellent building blocks.

High-Performance Computing
HPC clusters, especially those running tightly coupled MPI workloads, require balanced memory bandwidth. Install 8 identical 8 GB RDIMMs (64 GB total) per dual-socket node—one per channel—to enable full memory interleaving. For compute-bound simulations, this configuration avoids performance cliffs, and Registered ECC protects against silent data corruption during week-long runs without adding measurable latency overhead.

Verified Compatibility

Rigorously tested server-grade 8GB DDR4-2400 RDIMM; compatible with Dell R730, HPE DL380 Gen9, Lenovo x3650 M5, and Supermicro X10 systems.

FAQ

Q: Can I mix this MTA9ASF1G72PZ-2G3B1MK with other memory modules of different brands or speeds?

A: Mixing RDIMMs of different brands or speeds is not recommended. It can cause POST failures or system instability. For reliable server operation, use identical modules with the same Micron part number.

Q: Is this memory compatible with my Intel Xeon or AMD EPYC server platform?

A: This RDIMM is validated for servers supporting DDR4-2400 Registered ECC memory, such as Intel Xeon Scalable or AMD EPYC 7001 series. Verify your motherboard's qualified vendor list for specific compatibility.

Q: What is the recommended DIMM population order for optimal performance?

A: Follow your server board's slot numbering. Generally, populate the farthest slot from the CPU per channel first. Balance all memory channels identically to enable optimal interleaving and bandwidth.

Q: Does this module support overclocking or XMP profiles?

A: No. This is a JEDEC-compliant server memory module. It operates only at fixed 2400MHz with CL17 latency to ensure maximum data integrity and 24/7 reliability in enterprise environments.

Q: What warranty and typical failure rate can I expect?

A: This module includes a one-year warranty from the reseller. As an enterprise-grade Micron RDIMM, its design targets an annualized failure rate well below 0.5% under normal thermal and voltage conditions.

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