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| Product Type | Memory Module |
|---|---|
| Memory Capacity | 8 GB |
| Memory Technology | DDR4 |
| Product Voltage | 1.2V |
| RAM Speed | 2666MHz |
| RAM Standard | DDR4-2666/PC4-21300 |
| Error Identifying | ECC |
| Signal Type | Registered |
| Column Access Strobe (CAS) | CL19 |
| Rank | Single Rank x8 |
| Quantity of Pins | 288-pin |
| RAM Genre | RDIMM |
This DDR4-2666 RDIMM with ECC and registered signal type is purpose-built for server platforms, ensuring data integrity in virtualized environments, memory-intensive databases, and mission-critical workloads. Its single-rank x8 configuration and CL19 latency deliver stable, low-latency performance at 1.2V, maximizing memory bandwidth efficiency in dense multi-DIMM deployments.
1. ECC memory actively detects and corrects single-bit errors in real time, safeguarding transactional data integrity and preventing silent data corruption in always-on enterprise databases.
2. Registered signal buffering relieves the memory controller’s electrical load, enabling large-scale server deployments to run dual‑socket configurations with confidence under sustained 24/7 operation.
3. An eight‑gigabyte capacity fits the sweet spot for lightweight virtualized services and container hosts, allowing IT operators to provision precise workloads without overspending on unused DRAM.
4. The 2666 MT/s data rate delivers the throughput needed to keep multiple concurrent virtual machines responsive when shuffling medium‑sized datasets in business applications.
5. Single‑rank x8 organization reduces per‑DIMM power draw and thermal output, helping operators achieve denser node packing in hyper‑scale data centers without exceeding cooling budgets.
The Micron MTA9ASF1G72PZ-2G6B1QG is an 8GB DDR4-2666 RDIMM, purpose-built for server environments where stability and data integrity directly impact revenue. Its four critical characteristics address real pain points in mission-critical infrastructure. For a virtualization cluster hosting dozens of VMs, the registered signal buffer is essential. It stabilizes the electrical load on the memory controller, allowing you to populate all channels with multiple DIMMs without risking silent data corruption or unexpected host crashes during live migrations. Simultaneously, the onboard ECC engine continuously corrects single-bit errors, a vital safeguard for an in-memory database like SAP HANA or Redis. A random bit flip caused by background radiation in an ECC-less system can silently corrupt a financial transaction or a patient record, but this module prevents that, preserving data fidelity at every write. Operating at the standard 1.2V, it also reduces thermal load in dense rack deployments, lowering cooling costs without compromising the 2666MT/s throughput. The single-rank x8 architecture further ensures consistent, predictable latency under mixed read/write loads, preventing the bandwidth dips sometimes seen with multi-rank configurations during heavy analytical queries. This combination of signal integrity, error correction, energy efficiency, and predictable performance keeps your services reliable and your data trustworthy around the clock.
General Virtualization
Populate one 8 GB Registered ECC module per memory channel to balance capacity and bandwidth. In a dual‑socket server with six channels per CPU, this yields 96 GB of error‑correcting memory, suitable for moderate VM densities. For higher consolidation, add a second DIMM per channel for 192 GB, relying on the RDIMM’s stability to support many tenants simultaneously.
In‑Memory Database
Fill all available DIMM slots with these 8 GB RDIMMs to reach 192 GB in a typical 24‑slot server, a cost‑effective footprint for Redis or small SAP HANA instances. The ECC and registered design guard against data corruption under constant in‑memory access, and the configuration can serve as a stepping stone before upgrading to larger modules.
High‑Performance Computing
Install one 8 GB RDIMM per memory channel to keep the bus at the full 2666 MHz speed, maximizing bandwidth for each CPU. A 12‑channel per node setup provides 96 GB and avoids the frequency drop that comes with two DIMMs per channel, delivering low‑latency performance for simulation and modeling runs.
Rigorously tested RDIMM, compatible with Dell PowerEdge R740, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650, and more.
Q: Can I mix this MTA9ASF1G72PZ-2G6B1QG with other memory modules of different brands or speeds?
A: Mixing RDIMMs of different brands or speeds is not recommended for server environments. It may cause stability issues, degrade ECC protection, and often invalidates platform vendor support.
Q: Is this memory compatible with my Intel or AMD server platform?
A: This DDR4-2666 ECC Registered DIMM is compatible with Intel Xeon Scalable and AMD EPYC platforms using C612/C621/C622 or equivalent chipsets. Please verify your board's qualified vendor list.
Q: What is the recommended DIMM population order for optimal performance?
A: Follow the memory slot numbering in your server manual, typically populating identical DIMMs per channel starting with the farthest slots from the CPU to balance interleaving and ECC effectiveness.
Q: Does this module support overclocking or XMP profiles?
A: No. This is a JEDEC-compliant RDIMM for server reliability. It does not support XMP or overclocking; stability and data integrity are prioritized over aggressive timings.
Q: What warranty and typical failure rate can I expect?
A: This Micron server module is backed by a 1-year warranty. Its annualized failure rate (AFR) is typically well below 0.5% under specified environmental conditions, ensuring high reliability.