General

Engineer's Note

Ideal for high-density virtualization and in-memory database workloads, this 64GB DDR4-3200 RDIMM leverages quad-rank x4 organization and registered ECC buffering to maximize per-channel capacity while ensuring uncompromised data integrity under heavy load. Its low 1.2V operating voltage and CL22 latency further enhance power efficiency and signal stability in multi-socket server platforms that demand reliable, large-footprint memory.

Technical Specs & Insights

1. 64GB capacity per module drastically increases memory density per server node, enabling higher virtual machine consolidation ratios while preserving dedicated headroom for memory-intensive enterprise applications.
2. 3200 MT/s data rate ensures swift data movement to the CPU, accelerating in-memory databases and real-time analytics so critical business decisions see lower query latency under heavy concurrency.
3. ECC protection continuously detects and corrects single-bit errors, eliminating silent data corruption risks that could otherwise compromise financial ledgers or mission-critical transaction integrity.
4. Registered signal buffering stabilizes command and address buses across fully loaded server boards, maintaining dependable operation when all 24 or more DIMM slots are populated.
5. Quad Rank x4 organization interleaves memory banks aggressively, sustaining high throughput for simultaneous virtual machine requests and fighting bandwidth saturation in dense cloud workloads.

Why These Specs Matter

The Micron MTA72ASS8G72LZ-3G2 is a 64GB DDR4-3200 registered ECC memory module built for enterprise servers. In virtualization clusters running dozens of VMs, ECC actively corrects single-bit errors caused by cosmic radiation, preventing silent data corruption that could crash hypervisors or corrupt guest file systems. The registered buffer stabilizes command and address signals, allowing a server to fully load memory channels with high-capacity DIMMs and scale to 512GB or beyond per node for dense VM hosting without signal degradation. For in-memory databases like SAP HANA or Redis, the quad-rank x4 organization and 3200MT/s throughput deliver the parallelism to slash query latency under heavy concurrent loads. The 64GB density also reduces the DIMM count, preserving upgrade headroom while providing the large, contiguous memory pools these workloads demand—translating directly into greater uptime, faster transactions, and a lower total cost of ownership.

Endurance & Reliability

General Virtualization
For a standard hypervisor hosting mixed workloads, populate at least four modules to leverage quad-channel memory architectures common in Xeon Scalable or EPYC platforms. A balanced configuration of four 64 GB RDIMMs yields 256 GB total capacity, comfortably supporting 30–40 moderate virtual machines while maintaining NUMA locality. Avoid single-channel operation to prevent bandwidth bottlenecks during live migration and memory overcommit.

In-Memory Database
Databases like Redis or SAP HANA demand maximum capacity and high availability. Deploy six or eight modules per socket to reach 384–512 GB, fully utilizing multi-channel throughput. The 3200 MHz speed and CL22 latency strike an optimal balance between capacity and access time, while ECC and registered buffering ensure data integrity under sustained heavy write loads.

High-Performance Computing
HPC workloads benefit from memory bandwidth as much as capacity. Install eight identical 64 GB RDIMMs (one per channel) on dual-socket servers to achieve 512 GB total memory and peak bandwidth over 200 GB/s per socket. Quad-rank DIMMs enable dense 512 GB nodes without sacrificing speed, crucial for large-scale simulations and parallel solvers where every memory transaction counts.

Verified Compatibility

Rigorously tested, server-grade RDIMM for Dell R750, HPE DL380 Gen10 Plus, Lenovo SR650 V2, and more.

FAQ