General

Engineer's Note

This DDR3-1600 registered ECC memory module, featuring a low 1.35V operating voltage and single-rank x4 organization, is engineered for server platforms running virtualization, in-memory databases, or other mission-critical workloads where data integrity is paramount. Its registered signal type and ECC error correction deliver enhanced signal stability and automatic single-bit error correction, ensuring reliable operation in dense, multi-DIMM configurations.

Technical Specs & Insights

1. Integrated error correction transparently prevents data corruption, ensuring rock-solid reliability for financial transactions and mission-critical applications.
2. On-module register buffering stabilizes signal integrity across multiple DIMMs, enabling seamless expansion in memory-hungry server platforms.
3. Generous per-module capacity supports higher virtual machine density, maximizing compute utilization in consolidated server environments.
4. Ultra-low voltage dramatically cuts energy consumption and thermal output, reducing total cost of ownership for sprawling data center deployments.
5. Single Rank x4 organization optimizes bus utilization and minimizes latency, ideal for maintaining consistent I/O performance under mixed enterprise workloads.

Why These Specs Matter

The Micron MT18KSF1G72PZ-1G6E1HE is an 8GB DDR3-1600 RDIMM engineered specifically for server environments, and its four defining characteristics—ECC, registered architecture, 1.35V low voltage, and a single-rank x4 design—directly address the critical pain points of data center operators. In a virtualization cluster running dozens of virtual machines, ECC is your silent guardian. It detects and corrects single-bit errors induced by background radiation or electrical noise, preventing a flipped bit from cascading into a corrupted database transaction or an unexpected host crash that could take down an entire service tier. The registered buffer amplifies command and address signals, stabilizing the memory bus when all channels are fully populated. This means you can scale up to massive capacities for in-memory databases like SAP HANA without sacrificing the rated 1600MHz speed, keeping real-time analytics queries consistently fast. Meanwhile, the 1.35V operation significantly reduces power consumption and thermal output across a rack, directly lowering your cooling overhead and energy bills. The single-rank x4 configuration further contributes to lower latency under heavy concurrent access, ensuring snappy response times in both virtualized workloads and latency-sensitive database applications. This module transforms reliability and operational efficiency from abstract goals into hardware-guaranteed realities.

Endurance & Reliability

Memory Type Identification

This module is a server-grade DDR3 Registered ECC RDIMM, indicated by its ECC error correction, Registered signal type, and 240-pin RDIMM form factor. It operates at low voltage (1.35V) and is designed for stability and reliability in multi-slot server configurations.

General Virtualization
For general virtualization, populate channels evenly to maximize memory bandwidth. Deploy six or eight identical 8GB RDIMMs per server to reach 48–64GB, which comfortably supports 10–15 light-to-medium VMs. Stick to homogeneous DIMMs in balanced configurations to avoid NUMA penalties and ensure predictable performance.

In-Memory Database
In-memory databases demand both capacity and fault tolerance. Use the maximum supported DIMM slots per CPU socket, aiming for at least 128GB using sixteen of these 8GB RDIMMs. This capacity allows caching entire datasets for Redis or SAP HANA proof-of-concepts. ECC is critical here to prevent silent data corruption under constant write pressure.

High-Performance Computing (HPC)
HPC workloads benefit from high memory bandwidth. Populate all memory channels per node—commonly four or eight RDIMMs per socket—to sustain data feeds for simulation or computational fluid dynamics codes. Capacity requirements are moderate, so 32–64GB total using these 8GB DIMMs is a cost-effective baseline for many tightly coupled MPI jobs.

Verified Compatibility

Rigorously tested RDIMM, compatible with Dell PowerEdge R720, HP ProLiant DL380p Gen8, IBM x3650 M4, and more.

FAQ