General

Engineer's Note

Designed for server-class platforms, this 8GB DDR4-2133 RDIMM with ECC ensures data integrity and system stability in mission-critical workloads such as virtualization and in-memory databases. Its single-rank x4 configuration with registered signal type reduces electrical loading on the memory bus, enabling higher capacity scaling while the CL15 latency delivers reliable, low-latency access for dense computing environments.

Technical Specs & Insights

1. Registered signal type offloads command and address signaling from the memory controller, ensuring stable operation even with fully populated DIMM slots in high-density rack servers.
2. ECC error correction actively detects and repairs single-bit data errors, preserving transactional integrity in databases and financial computing environments.
3. Single Rank x4 configuration reduces electrical loading on the memory channel, maintaining clean signal integrity when scaling capacity across multiple modules.
4. The 8 GB capacity strikes a balance for lightweight hypervisor deployments and containerized microservices at the edge.
5. DDR4-2133 base frequency provides consistent, thermally efficient bandwidth for latency-sensitive enterprise workloads that prioritize uptime over raw clock speed.

Why These Specs Matter

The Micron MTA18ASF1G72PZ-2G1A2KJ is a server DDR4 RDIMM whose four core attributes are engineered specifically to address the relentless demands of virtualized data centers and memory-intensive workloads. First, error correction continuously detects and fixes single-bit upsets, eliminating silent data corruption that can crash hypervisor-managed VMs or poison an in-memory database like Redis. Second, the registered architecture buffers command and address lines, allowing you to populate high-density memory configurations without signal degradation—this is vital when consolidating dozens of virtual machines per host. Third, its 2133 MT/s speed with PC4-17000 bandwidth delivers a consistent 17 GB/s per channel, ensuring that real-time analytics engines or large caching tiers never stall under peak concurrent queries. Finally, the single-rank x4 organization with CL15 latency minimizes row conflicts and access delays when multiple VMs hammer the memory simultaneously. For you, this means lower operational risk, predictable performance under heavy consolidation ratios, and infrastructure that scales reliably without memory-induced failures.

Endurance & Reliability

General Virtualization
For a general virtualization host, populate memory channels evenly to maximize bandwidth. Start with a minimum of four identical 8 GB RDIMMs per CPU socket (32 GB total) to comfortably run 8–10 light VMs, and scale to eight modules (64 GB) for moderate consolidation. Always use balanced configurations—one DIMM per channel—to avoid performance penalties on registered DDR4-2133 platforms.

In-Memory Database
In-memory databases such as Redis or SAP HANA demand both capacity and reliability, making ECC registered memory critical. Deploy a fully populated set of 8 GB RDIMMs across all channels to reach 128 GB or more per node, ensuring the working dataset resides entirely in DRAM. Pair this with memory mirroring or sparing if uptime is paramount, as bit errors without ECC correction can corrupt live data.

High Performance Computing
HPC workloads benefit from maximum per-channel bandwidth rather than sheer volume in most cases. Fill every channel with one 8 GB RDIMM to keep the memory interface at peak throughput (e.g., eight modules per dual-socket server for a 64 GB balanced configuration). Avoid mixing single-rank and dual-rank DIMMs in the same channel, and validate that your 2133 MT/s speed aligns with the processor’s memory fabric to prevent clock-downs under full load.

Verified Compatibility

Rigorously tested server memory, compatible with Dell PowerEdge R760, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650, and more.

FAQ