General

Engineer's Note

This 16 GB DDR4-2666 RDIMM with ECC and registered signal type is engineered for enterprise servers and memory-intensive workloads like virtualization or in-memory databases where data integrity is paramount. Its dual-rank x4 organization enhances memory bandwidth through rank interleaving, while the registered interface stabilizes high-capacity configurations and ECC provides robust single-bit error correction.

Technical Specs & Insights

1. ECC protection silently corrects single-bit memory errors, safeguarding financial transactions and database integrity in always-on enterprise servers.
2. Registered signaling stabilizes high-capacity memory configurations, allowing dense virtualization hosts to scale without signal degradation.
3. Dual Rank x4 organization maximizes bank-level parallelism, boosting bandwidth saturation for memory-intensive analytics workloads.
4. 16 GB capacity per module strikes a balance between virtual machine density and cost, ideal for mid-tier cloud node deployment.
5. 2666 MHz transfer rate delivers ample throughput for multi-threaded workloads, reducing latency spikes when multiple tenants access shared resources.

Why These Specs Matter

Designed for the data center, the Micron MTA36ASF2G72PZ-2G6B1 is a 16GB DDR4-2666 RDIMM, and its four defining characteristics directly address the real-world pain points of IT infrastructure. First, ECC continuously detects and corrects single-bit memory errors caused by cosmic radiation or silicon aging. In a virtualization cluster running dozens of VMs, an uncorrected bit flip in guest memory could silently corrupt a financial transaction or hypervisor state; ECC prevents that silent data corruption, ensuring business continuity. Second, the registered signal type buffers command and address lines, stabilizing the electrical load when you populate all 24 DIMM slots in a 2U server. Without a register, signal integrity degrades, leading to boot failures or random crashes under heavy population—a nightmare for dense consolidation. Third, the dual-rank x4 organization enables rank interleaving, letting the memory controller pipeline reads and writes across rank pairs concurrently. For an in-memory database like Redis or SAP HANA, this boosts effective bandwidth and reduces latency under high concurrency, accelerating millions of queries per second. Finally, operating at a frugal 1.2V, it cuts thermal dissipation across a fleet of servers, lowering your cooling costs and improving energy efficiency without sacrificing the 2666MT/s throughput. This isn’t just a stick of RAM; it’s a reliability engine for your virtualized workloads and a bandwidth accelerator for your latency-sensitive applications.

Endurance & Reliability

General Virtualization
For virtualized workloads, populate all memory channels symmetrically with these 16 GB RDIMMs. A typical dual‑socket server with eight channels per CPU uses sixteen modules to deliver 256 GB of reliable ECC‑protected capacity. This balanced configuration ensures maximum bandwidth and comfortably hosts dozens of mixed virtual machines with room for growth.

In-Memory Database
Maximize capacity by filling every available DIMM slot—ideally three per channel where supported. Using these dual‑rank 16 GB RDIMMs, a fully loaded platform can easily exceed 384 GB per socket, keeping the entire working set in DRAM. The registered ECC design is essential for the data integrity demanded by transactional and analytical databases.

High-Performance Computing
For bandwidth‑sensitive HPC jobs, install one 16 GB DIMM per memory channel to maintain the full 2666 MT/s speed and minimize electrical loading. A uniform layout across all memory controllers enables optimal interleaving, dramatically accelerating parallel data access for simulations, modeling, and large‑scale data processing.

Verified Compatibility

Rigorously tested server RDIMM. Verified compatible with Dell PowerEdge R740, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650.

FAQ