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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 8GB DDR4-2666 Registered ECC RDIMM is purpose-built for server and enterprise environments, delivering the data integrity essential for virtualization, in-memory databases, and mission-critical workloads. Its registered signal buffering paired with a single-rank x8 organization ensures stable operation and reduced electrical loading on the memory bus, enabling reliable scaling in high-density rack configurations.
1. The registered buffer offloads electrical loading from the memory controller, allowing fully populated server boards to maintain rock-solid signal integrity across all DIMM slots.
2. ECC error correction actively detects and fixes single-bit flips, shielding critical database and transactional workloads from silent data corruption.
3. A single-rank design reduces bus contention and command loading, letting the memory operate at its rated speed even in dense multi-DIMM configurations.
4. This capacity granularity suits lightweight virtualization nodes and dedicated edge appliances, keeping per-instance cost low while still supporting essential services.
5. The mainstream data rate strikes an efficient balance between bandwidth and power draw, delivering smooth throughput for in-memory caching and entry-level storage arrays.
This Micron RDIMM, part number MTA9ASF1G72PZ-2G6D1QK, is engineered specifically for server environments where reliability is not a luxury but a requirement. Its ECC technology actively detects and corrects single-bit memory errors, preventing silent data corruption that could crash a financial transaction database or produce inaccurate results in a scientific compute cluster. Meanwhile, the registered signal buffer stabilizes the electrical load on the memory bus, allowing you to populate all channels with confidence; in a dense virtualization host running dozens of VMs, this directly translates to fewer unexpected reboots and higher consolidation ratios. The DDR4-2666 speed and single-rank x8 organization strike a careful balance between responsive bandwidth and strong signal integrity, ensuring that memory-intensive caches in an in-memory database like Redis deliver low-latency throughput even under sustained load. Underpinning everything is the 1.2V operating voltage, which cuts power draw per module to drive down cooling costs in a fully populated rack—a detail that compounds into measurable energy savings across your data center footprint.
General Virtualization
For a versatile hypervisor host, install four identical 8 GB RDIMMs across the available memory channels to build a balanced 32 GB base configuration. This allows efficient multitasking for a moderate number of virtual machines while leaving room for future scaling. When consolidation demands increase, populate the remaining slots with another set of four modules to reach 64 GB, maintaining uniform single‑rank performance and ECC protection.
In‑Memory Database
Maximizing capacity is critical for in‑memory workloads, so populate all memory channels in a dual‑socket server with 16 of these 8 GB registered DIMMs, yielding 128 GB of low‑latency ECC memory. The single‑rank x8 organization minimizes electrical loading and helps sustain access speed at full population. For even larger datasets, combine multiple servers in a cluster and ensure each node uses identical modules to preserve data consistency and NUMA locality.
High Performance Computing (HPC)
To saturate memory bandwidth, fill every channel on the processor with a single 8 GB RDIMM; a typical six‑channel platform would use six modules for 48 GB of balanced throughput. This 1.2 V DDR4‑2666 configuration keeps power and thermals in check even under sustained floating‑point loads. Adding a second rank or larger modules later is acceptable, but for repeatable benchmark runs, stick to the same single‑rank x8 RDIMMs across all channels to avoid performance variance.
Rigorously tested, this server memory is compatible with Dell PowerEdge R760, HPE ProLiant DL380 Gen10, and Lenovo ThinkSystem SR650.
Q: Can I mix this MTA9ASF1G72PZ-2G6D1QK with other memory modules of different brands or speeds?
A: Mixing different brands or speeds is not recommended for server RDIMMs. It can cause instability, prevent ECC from functioning correctly, and void validation. Use identical modules for guaranteed reliability.
Q: Is this memory compatible with my system?
A: This DDR4-2666 Registered ECC module is compatible with Intel Xeon Scalable and AMD EPYC platforms. Ensure your motherboard supports 288-pin RDIMM at 1.2V and check the vendor's Qualified Vendor List.
Q: What is the recommended DIMM population order for optimal performance?
A: Refer to your server motherboard manual. Generally, populate DIMMs starting with the first slot of each memory channel (e.g., A1, B1, C1) to balance interleaving and maximize bandwidth.
Q: Does this module support overclocking or XMP profiles?
A: No. This server RDIMM adheres to JEDEC standard DDR4-2666 and does not support overclocking or XMP profiles. It is optimized for stability and data integrity in mission-critical workloads.
Q: What warranty and typical failure rate can I expect?
A: This module includes a 1-year warranty. With rigorous testing and ECC protection, its annualized failure rate is very low, typically under 0.5%, ensuring dependable long-term operation in server environments.