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| Product Type | Memory Module |
|---|---|
| Memory Capacity | 16 GB |
| Memory Technology | DDR4 |
| Product Voltage | 1.2V |
| RAM Speed | 2666MHz |
| RAM Standard | DDR4-2666/PC4-21300 |
| Error Identifying | ECC |
| Signal Type | Unbuffered |
| Column Access Strobe (CAS) | CL19 |
| Rank | Dual Rank x8 |
| Quantity of Pins | 288-pin |
| RAM Genre | UDIMM |
This 16GB DDR4-2666 ECC UDIMM is a server-grade memory module designed for entry-level servers and workstations where data integrity is critical, excelling in virtualization, memory databases, and always-on operations. Its dual-rank x8 architecture improves memory interleaving for higher throughput, while the unbuffered ECC design and low 1.2V voltage deliver robust error correction and energy efficiency.
1. ECC protection silently corrects single-bit errors in real time, preserving data integrity during continuous financial transaction processing and eliminating corruption risks that would force costly application restarts.
2. Unbuffered architecture strips away register latency, giving latency-sensitive edge computing workloads faster command-to-data turnaround compared to buffered alternatives.
3. Dual rank x8 organization interleaves memory accesses across internal banks, sustaining peak bandwidth under heavy virtualization when multiple guest machines compete for shared resources.
4. A 16-gigabyte module density lets a dual-slot server comfortably host dozens of containers or a modest hypervisor deployment without hitting capacity-induced swapping.
5. DDR4-2666 throughput delivers smooth multi-client file service and collaboration platform performance, matching entry-level server processor capabilities while staying within efficient power and thermal envelopes.
The Micron MTA18ADF2G72AZ-2G6 is a 16 GB DDR4-2666 server UDIMM built for entry‑level servers, workstations, and storage appliances where data integrity and energy efficiency directly impact uptime and operating cost. Its four defining characteristics translate into tangible reliability for mission‑critical workloads. ECC protection silently detects and corrects single‑bit memory errors, preventing silent data corruption that could crash virtual machines or poison financial records in an in‑memory database such as Redis. The unbuffered, direct‑to‑CPU signal path reduces access latency, giving latency‑sensitive applications like a virtualized Active Directory controller a snappier, more predictable response compared to registered alternatives. A dual‑rank x8 organization interleaves internal banks to boost bandwidth by up to 10–15 % under heavy multi‑VM contention, helping a small ESXi host serve more users without stalling. Finally, the 1.2 V low‑voltage operation cuts thermal output, which is critical inside a dense 1U chassis or a 24/7 NAS where every watt saved on cooling extends hardware lifespan. For a growing business relying on a hypervisor cluster or a high‑traffic MySQL instance, this module delivers the silent resilience, speed, and efficiency that keep operations running smoothly.
General Virtualization
For a virtualization host using this 16GB DDR4-2666 ECC UDIMM, populate all available channels evenly to maximize memory bandwidth for multiple VMs. Start with two or four identical modules (32GB or 64GB total) to enable dual- or quad-channel mode while maintaining ECC protection. This provides headroom for typical hypervisor overhead and a dozen light-to-medium guests without overcommitting memory dangerously.
In-Memory Database
In-memory databases demand both capacity and data integrity, making ECC essential. Deploy at least four of these 16GB UDIMMs (64GB total) in a 1 DIMM per channel (1DPC) configuration to achieve balanced performance and maximum supported speed. For larger working sets, scale to eight identical modules (128GB) while ensuring your server platform supports the resulting dual-rank x8 loadout at the rated 2666MHz.
High-Performance Computing
HPC workloads benefit from the combination of ECC reliability and modest latency of CL19 dual-rank DIMMs. Fully populate memory channels with identical 16GB modules—often six or eight for dual-socket nodes—to deliver high aggregate bandwidth for simulation and data-analysis codes. Matching DIMM rank and part number across all sockets guarantees stable operation under sustained full-load conditions and enables consistent benchmark reproducibility.
Rigorously tested 16GB DDR4-2666 ECC UDIMM, compatible with Dell T140, T340, R240, Lenovo ST50, HPE ML30 Gen10.
Q: Can I mix this MTA18ADF2G72AZ-2G6 with other memory modules of different brands or speeds?
A: Mixing modules is not recommended for ECC server memory. Different brands, speeds, or ranks may cause instability, signal integrity issues, and disabled ECC functionality. Use identical part numbers to guarantee validated performance.
Q: Is this memory compatible with my system?
A: This is a 288-pin DDR4-2666 ECC UDIMM. It requires server/workstation platforms supporting unbuffered ECC memory, such as Intel Xeon E-2100/E-2200 series, or AMD AM4/TR4 platforms with ECC-enabled CPUs. Verify motherboard QVL.
Q: What is the recommended DIMM population order for optimal performance?
A: Follow your server board manual to populate slots per channel. Typically, install identical modules in the first slot of each memory channel (e.g., DIMM_A1 and DIMM_B1) to achieve balanced dual-channel interleaving and full ECC coverage.
Q: Does this module support overclocking or XMP profiles?
A: No. This module adheres to JEDEC DDR4-2666 (PC4-21300) standard timings with CL19, and does not include XMP profiles. Overclocking is unsupported on server-class ECC memory to ensure data integrity and stable error correction.
Q: What warranty and typical failure rate can I expect?
A: This module carries a 1-year warranty. As a Micron enterprise-grade ECC UDIMM built with strict testing, it offers high reliability with an expected annualized failure rate substantially below 0.2% under normal server operating conditions.