General

Engineer's Note

This 8GB DDR4-2133 ECC Registered DIMM is purpose-built for server platforms hosting virtualization and in-memory database workloads, where uncompromising data integrity is critical. Its 1Rx4 single-rank configuration and registered signal technology deliver stable electrical signaling and low CL15 latency, ensuring reliable performance even under heavy, sustained memory access patterns.

Technical Specs & Insights

1. ECC protection silently corrects single-bit errors, guarding transactional data integrity for mission-critical server workloads where uptime and accuracy are non-negotiable.
2. Registered signal buffering reduces electrical load on the memory controller, enabling reliable scaling to dense capacity configurations without compromising server stability.
3. DDR4’s low-voltage operation minimizes thermal stress per module, helping data centers achieve higher rack densities and lower cooling overhead in always-on deployments.
4. The 2133 MT/s sustained throughput provides steady bandwidth for entry-level virtualization and web-serving tasks, preventing memory-side latency from throttling concurrent request handling.
5. A single-rank organization preserves clean signal integrity, which is critical for maintaining error-free operation when populating multiple DIMMs in compute-optimized server platforms.

Why These Specs Matter

Micron’s MTA18ASF1G72PZ-2G1A1 RDIMM tackles two critical pain points in server environments: virtualization clusters and in-memory databases. Its ECC technology continuously guards against cosmic-ray-induced bit flips, preventing silent data corruption and kernel crashes when you are running dozens of VMs on a single host. The Registered buffer isolates the memory controller from high-capacity loads, enabling every channel to be fully populated without signal degradation. This means you can scale to massive VM densities with predictable, stable performance. Built with a single-rank x4 organization, the module provides finer error-correction granularity and lower electrical loading, which is vital for latency-sensitive transactional databases like Redis or SAP HANA where every commit must be exact under heavy read-write pressure. Operating at just 1.2 V, this DDR4-2133 module dramatically cuts power draw and heat in dense rack servers, directly lowering your energy bills and cooling strain while complying with ROHS standards. This 8 GB RDIMM transforms nuanced specifications into tangible reliability, linear scalability, and cost-efficient operation for your most business-critical workloads.

Endurance & Reliability

This 8GB DDR4-2133 ECC Registered DIMM is designed for servers. Capacity planning for common workloads:

General Virtualization
Populate at least one DIMM per memory channel to ensure balanced memory interleaving. A dual-socket server with eight channels benefits from eight 8GB RDIMMs (64GB), which handles dozens of moderate VMs. For denser consolidation, add a second identical DIMM per channel (128GB total) while keeping stability. Always use matching modules across all channels.

In-Memory Database
For databases like Redis or SAP HANA, maximize capacity by filling every slot with these 8GB RDIMMs. Single-rank modules often maintain full speed at two DIMMs per channel, so a 16-slot server can reach 128GB. This capacity lets hot datasets reside entirely in RAM, and ECC guards against corruption.

High-Performance Computing (HPC)
Install exactly one 8GB DIMM per channel to sustain the maximum 2133MT/s data rate—this configuration delivers peak memory bandwidth for simulations. An 8-channel node with eight modules provides 64GB, ideal for bandwidth-bound codes. Step up to two DIMMs per channel (128GB) only when the workload’s memory footprint demands it, accepting a slight frequency drop.

Verified Compatibility

Rigorously tested for servers: compatible with Dell PowerEdge R730, HPE ProLiant DL380 Gen9, Lenovo ThinkSystem SR530, and more.

FAQ