General

Engineer's Note

This 8 GB DDR4-3200 UDIMM with ECC and a single-rank x8 organization delivers the data integrity and unbuffered stability essential for entry-level servers and workstations running virtualization, lightweight in-memory databases, or content creation workloads on platforms like Intel Xeon E or AMD Ryzen PRO. Its 1.2V operating voltage and CL22 latency balance power efficiency with reliable performance, minimizing error-induced downtime in memory-sensitive tasks.

Technical Specs & Insights

1. Error Correcting Code protection silently catches and corrects single-bit memory faults, preventing silent data corruption in always-on server workloads where application integrity is non-negotiable.
2. Unbuffered architecture eliminates the latency penalty of register chips, suiting micro-servers and entry-level virtualization hosts that need bare-metal responsiveness for lightweight transactional tasks.
3. High data-rate bandwidth ensures multi-core server processors stay fed with instructions, accelerating simultaneous database queries and caching operations under sustained load.
4. Eight-gigabyte density provides an efficient memory footprint for dedicated appliance functions such as network firewalling or lightweight container orchestration without overspending on unused capacity.
5. Single rank organization reduces bus loading, allowing stable full-speed operation across multiple DIMMs per channel and simplifying capacity scaling in dense server deployments.

Why These Specs Matter

The Micron MTA9ASF1G72AZ-3G2R1 is a server-grade DDR4 UDIMM engineered for single-socket platforms where reliability meets value. Its four defining characteristics directly address the real-world demands of modern data centers. First, the ECC technology continuously scans and corrects single-bit memory errors caused by cosmic radiation or electrical noise. In a virtualization cluster running dozens of VMs on one host, an uncorrected bit flip in the hypervisor could silently corrupt guest data or crash the entire node, leading to costly downtime. Second, the 3200MHz speed and single-rank x8 organization deliver high bandwidth and low latency that keep pace with memory-intensive workloads such as Redis or Memcached. In-memory databases thrive on rapid key-value lookups; higher memory throughput per channel means lower response times for millions of concurrent user requests, directly improving application performance. Third, the 1.2V ultra-low voltage drives substantial power savings across a rack full of servers. Reduced energy consumption not only lowers electricity bills but also eases thermal stress, enhancing long-term hardware reliability in dense deployments. Finally, the UDIMM form factor offers a cost-effective path for value-oriented servers, allowing you to populate more DIMM slots without the expense of registered buffers, all while maintaining the absolute data integrity that business-critical services demand.

Endurance & Reliability

Based on the ECC Unbuffered DDR4 3200MHz UDIMM specification, this is a server-grade memory module suited for entry-level servers and workstations.

General Virtualization
Populate four or eight identical modules to enable full dual- or quad-channel interleaving, providing 32 GB or 64 GB of balanced capacity. This configuration supports multiple lightweight virtual machines while ECC ensures data integrity for critical services. Avoid mixing module types to maintain optimal performance across all memory channels.

In-Memory Database
Maximize capacity by installing matched 8 GB DIMMs in every available slot—target 128 GB (16 modules) on a dual-socket platform if supported. All channels should be populated symmetrically to preserve low-latency access and error correction. For larger datasets, consider migrating to higher-density ECC UDIMMs, but the 8 GB units offer a cost-effective entry for moderate in-memory workloads.

High-Performance Computing (HPC)
Fill all memory channels with identical single‑rank x8 modules to achieve peak 3200 MT/s bandwidth and uniform access patterns. A six‑ or eight‑channel configuration minimizes bottlenecks during parallel floating‑point work, while unbuffered design reduces latency. Maintain consistent module placement across CPU sockets to guarantee predictable throughput for tightly coupled simulations.

Verified Compatibility

Rigorously tested server memory, compatible with Dell PowerEdge R350, HPE ProLiant DL20 Gen10, Lenovo ThinkSystem ST50.

FAQ