General

Engineer's Note

This 16GB DDR4-2133 RDIMM with ECC and a registered signal type is purpose-built for enterprise server platforms, delivering the data integrity essential for virtualization, in-memory databases, and mission-critical workloads. Its dual-rank x4 configuration optimizes memory bandwidth and interleaving in multi-DIMM setups, while the CL15 timing and 1.2V operating voltage provide a balanced envelope of performance and power efficiency.

Technical Specs & Insights

1. Registered DIMM architecture buffers command and address signals, ensuring stable operation across densely populated server motherboards with numerous DIMMs.
2. Error-Correcting Code support detects and corrects single-bit memory errors, preventing silent data corruption in mission-critical enterprise applications.
3. Dual-rank x4 organization delivers interleaved access across ranks, boosting memory bandwidth for virtualized workloads and large in-memory databases.
4. Sixteen-gigabyte capacity per module allows higher memory density per server, increasing virtual machine consolidation ratios without sacrificing performance.
5. DDR4-2133 frequency provides a balanced throughput of seventeen gigabytes per second, ideal for steady-state workloads in energy-conscious data centers.

Why These Specs Matter

The Micron MTA36ASF2G72PZ-2G1B1QK is a server-grade Registered DIMM, purpose-built for enterprise workloads where downtime is not an option. Its ECC technology actively detects and corrects single-bit memory errors, preventing silent data corruption that can crash a hypervisor or poison long-running database transactions. In a virtualized cluster hosting dozens of VMs, uncaught bit flips lead to cascading failures, but this module’s error correction keeps the entire stack stable, translating directly into higher uptime and fewer 3 AM emergency pages.

The registered architecture buffers command and address signals, allowing the server to scale to massive capacities without signal degradation. When paired with the module’s dual-rank design, which enables interleaved access across two internal banks, memory bandwidth is optimized for concurrent read and write operations. For an in-memory database like Redis or SAP HANA, that means faster query response under heavy load, because the memory controller can overlap transactions efficiently. Together, 1.2V low-power operation reduces thermal load in dense rack environments, preserving reliability over years of continuous operation. This isn’t just memory; it’s an insurance policy for mission-critical data and performance consistency that your business depends on.

Endurance & Reliability

General Virtualization
For a typical hypervisor hosting multiple VMs, populate all memory channels with identical 16 GB RDIMMs to maximize capacity and interleaving. A balanced configuration of eight or sixteen modules delivers 128–256 GB, satisfying moderate consolidation ratios while keeping ECC protection active.

In-Memory Database
Deploy the maximum supported DIMMs per socket—often 24 or more—to reach 384 GB and beyond, ensuring the entire dataset resides in RAM. Choose dual-rank x4 RDIMMs like this module to exploit rank interleaving, which reduces latency under the heavy random access patterns of Redis or SAP HANA.

High-Performance Computing
Populate one DIMM per channel to achieve the highest clock speeds without throttling, typically using eight 16 GB modules for 128 GB per node. This configuration balances bandwidth and capacity for simulation and modeling codes that stream large arrays, while registered ECC guards against silent data corruption during multi-day runs.

Verified Compatibility

Rigorously tested for servers: Dell PowerEdge R630/R730/R740, HPE ProLiant DL360 Gen9/DL380 Gen10, Lenovo ThinkSystem SR650.

FAQ