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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 registered ECC DDR4-2666 RDIMM is engineered for server platforms where data integrity is critical, making it ideal for virtualization, in-memory databases, and other enterprise workloads that demand reliable error correction. Its single-rank x8 organization and CL19 latency ensure stable signal integrity and consistent performance in high-density memory configurations.
1. ECC protection detects and corrects single-bit errors in real time, preserving data integrity for financial transactions or database operations where even a minor corruption is unacceptable.
2. Registered signal buffering stabilizes command and address lines under heavy DIMM population, allowing dense server configurations to scale memory capacity without sacrificing reliability.
3. 8GB capacity per module strikes a balance for virtualized workloads, providing sufficient guest memory allocation while keeping power and cost in check across large server fleets.
4. DDR4-2666 bandwidth accelerates interleaved memory access patterns in multi-socket servers, reducing latency for in-memory analytics and heavily cached applications.
5. CL19 latency keeps initial data access responsive under bursty server traffic, helping maintain consistent query performance in virtualized or containerized environments.
When you rely on a data center to run virtualized clusters or in-memory databases, the Micron MTA9ASF1G72PZ-2G6B1Q RDIMM is engineered to eliminate the uncertainties that threaten uptime. Its ECC protection continuously detects and corrects single-bit memory errors, shielding your hypervisor and guest VMs from the silent data corruption that can cascade into transactional faults or system crashes in a dense VMware or KVM environment. The registered buffer architecture stabilizes signal integrity across fully populated server boards, so you can maximize capacity without sacrificing reliability even when every DIMM slot is filled.
Operating at an energy‑efficient 1.2 V, the module directly reduces power draw and thermal stress inside rack‑mounted servers, cutting cooling costs while maintaining aggressive consolidation ratios. The combination of DDR4‑2666 speed and a single‑rank x8 organization delivers consistently low latency and high bandwidth, which translates to snappier response times for Redis, Memcached, or SAP HANA workloads that demand real‑time access to massive datasets. This configuration avoids the rank‑switching penalties that can cause micro‑stutter in latency‑sensitive applications, giving you predictable performance where milliseconds impact revenue. From safeguarding data integrity during live migrations to accelerating database queries, every attribute of this module serves one purpose: preserving the continuous, trustworthy operation your business depends on.
Capacity Planning for Micron 8GB DDR4-2666 RDIMM
This registered ECC module is designed for server environments. Use the following guidance to size memory for common workloads.
General Virtualization
Populate all memory channels equally with these 8GB DIMMs – for example, six or eight modules per CPU – to ensure balanced NUMA access and sufficient headroom. A 2-socket server with eight DIMMs per socket (128 GB total) comfortably hosts dozens of VMs while maintaining peak bandwidth.
In-Memory Database
For data-intensive applications, maximize capacity by filling every DIMM slot. A 24-slot server fully loaded with these 8GB RDIMMs delivers 192 GB of reliable, ECC-protected memory, suitable for moderate Redis or Memcached clusters. The 1.2V operation helps limit power consumption in dense configurations.
High-Performance Computing (HPC)
HPC workloads demand maximum memory bandwidth. Install one DIMM per channel (e.g., eight modules per socket on an 8-channel platform) to achieve full speed. The ECC and registered design protect data integrity during long compute runs. Scale by adding identical modules across all sockets to maintain uniform performance.
Rigorously tested server memory. Compatible with Dell PowerEdge R740, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650, and similar systems.
Q: Can I mix this MTA9ASF1G72PZ-2G6B1Q with other memory modules of different brands or speeds?
A: Mixing is not recommended for RDIMMs. Different brands, speeds, or ranks can cause signal integrity issues and system instability, potentially voiding your platform’s warranty and compliance.
Q: Is this memory compatible with my system?
A: This 8GB DDR4-2666 ECC Registered DIMM is designed for Intel Xeon Scalable and AMD EPYC server platforms. Always verify your motherboard’s Qualified Vendor List (QVL) for confirmed compatibility.
Q: What is the recommended DIMM population order for optimal performance?
A: Follow your server vendor’s guide, typically populating channels symmetrically starting with the farthest slot from the CPU. Balanced configurations across memory controllers maximize bandwidth for this single-rank x8 RDIMM.
Q: Does this module support overclocking or XMP profiles?
A: No. As an enterprise-grade Registered ECC module, it strictly adheres to JEDEC DDR4-2666 standards. Overclocking and XMP are disabled to guarantee data integrity and 24/7 reliability in servers.
Q: What warranty and typical failure rate can I expect?
A: A one-year warranty is provided. Server-grade RDIMMs like this Micron module typically exhibit an annualized failure rate (AFR) well below 0.5% under normal thermal and workload conditions.