General

Engineer's Note

This Micron 8GB DDR4-2133 RDIMM, featuring ECC and Registered signal types, is engineered for server platforms where data integrity and system stability are paramount, making it ideal for virtualization, in-memory databases, and mission-critical enterprise workloads. Its single-rank x4 organization and CL15 latency deliver reliable, low-latency performance while minimizing bus loading to support high-density memory configurations in 288-pin server motherboards.

Technical Specs & Insights

1. Registered DIMM architecture enables higher memory capacities and enhanced signal integrity, ensuring rock-solid stability for mission-critical enterprise servers.
2. ECC protection detects and corrects single-bit errors in real time, preventing silent data corruption in long-running database and analytics workloads.
3. The registered buffer isolates the memory controller from heavy loads, allowing seamless scaling to multi-DIMM configurations typical in virtualized server environments.
4. DDR4-2133 speed delivers 17 GB/s of bandwidth per channel, efficiently handling concurrent transactions in web servers and mid-range virtualization hosts.
5. Single-rank x4 organization reduces power draw and thermal stress per DIMM, which helps maintain consistent clock frequencies in dense rack deployments.

Why These Specs Matter

The MTA18ASF1G72PZ-2G1 8GB DDR4-2133 Registered DIMM delivers four mission-critical features for enterprise servers: ECC, registered buffering, single-rank x4 design, and 1.2V operation. For a virtualized cluster, ECC silently corrects single-bit errors caused by cosmic radiation, which could otherwise corrupt hypervisor state and crash all hosted VMs. Registered clock buffering maintains signal integrity across high-density configurations, enabling you to fill every DIMM slot without sacrificing stability during live migrations or demanding mixed workloads. In an in-memory database such as SAP HANA, the single-rank x4 layout lowers electrical loading, letting the memory controller deliver fast, consistent access essential for real-time analytics. The 1.2V voltage directly reduces thermal output and energy expense in dense rack deployments. Together, these attributes guarantee that your infrastructure runs error-free, scales reliably, and keeps operating costs in check.

Endurance & Reliability

General Virtualization
Virtualized environments are driven by total capacity and consistent performance under mixed workloads. Using these 8 GB RDIMMs, populate all memory channels symmetrically—ideally one DIMM per channel (1DPC) to maintain DDR4-2133 speeds—until you reach the target memory footprint (e.g., 128 GB requires 16 modules across 4 or 8 channels). ECC and registered buffering provide the reliability and signal integrity essential for dense, always-on hypervisor hosts.

In-Memory Database
In-memory databases demand the absolute maximum memory capacity with zero tolerance for data corruption. Fill every available DIMM slot with these 8 GB RDIMMs to maximize capacity, even if this means running at 2DPC with slightly relaxed timings. ECC is non-negotiable, and the registered design ensures stable operation when all channels are fully loaded, safeguarding large in-memory datasets.

High Performance Computing
HPC workloads benefit from memory bandwidth as much as core count. Configure one DIMM per channel to sustain the module’s full DDR4-2133 frequency and leverage the widest aggregate bandwidth across all memory controllers. Although 8 GB per module may limit total capacity on dual-socket nodes, populating a balanced set of 8 or 16 modules ensures low-latency, high-throughput memory access for scale-out compute jobs, with ECC preventing silent data errors during long-running simulations.

Verified Compatibility

Rigorously tested, compatible with Dell PowerEdge R730, R630, HPE DL360 Gen9, Lenovo x3650 M5, and more.

FAQ