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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 | Registered |
| Column Access Strobe (CAS) | CL19 |
| Rank | Dual Rank x8 |
| Quantity of Pins | 288-pin |
| RAM Genre | RDIMM |
This RDIMM is engineered for server-class platforms, ideally suited for virtualization, in-memory databases, and mission-critical workloads where data integrity and uptime are paramount. Its registered signal architecture combined with ECC and a dual-rank x8 configuration ensures robust electrical stability and enhanced memory bandwidth efficiency, making it a reliable foundation for scalable enterprise deployments.
1. Integrated error correction safeguards against silent data corruption, ensuring transaction accuracy and regulatory compliance in mission-critical server environments.
2. Registered signal buffering stabilizes high-capacity memory configurations, enabling seamless scaling for dense virtualization and large in-memory databases.
3. Dual-rank organization with wide-chip architecture maximizes channel interleaving, delivering sustained throughput that keeps latency-sensitive enterprise applications responsive under load.
4. A generous capacity per module allows dense server configurations to host more virtual machines, maximizing consolidation ratios without immediate hardware refresh.
5. Operating at a standard enterprise frequency, this DIMM provides sufficient memory bandwidth for multi-core processors to avoid starvation in real-time analytics and caching tiers.
Judging by the RDIMM form factor and registered signal type, this is unequivocally server memory, purpose-built for enterprise workloads where downtime is not an option. Its four defining characteristics solve real infrastructure pain points. The Error-Correcting Code (ECC) is your frontline defense against silent data corruption, automatically detecting and correcting single-bit errors caused by cosmic radiation. In a financial database or virtualized transaction system, that means the difference between a trusted balance sheet and a cascading integrity failure. The registered buffer reduces electrical load on the memory controller, enabling a single server to populate all 24 DIMM slots without signal degradation. For a dense virtualization cluster hosting 50 or more VMs per node, this stability is non-negotiable. Meanwhile, the dual-rank x8 organization at DDR4-2666 enables rank interleaving, boosting effective bandwidth by overlapping access cycles. An in-memory database like Redis or SAP HANA sees measurably lower latency during peak read operations. Lastly, the 16GB capacity per module offers a modular scaling path—you add precisely the memory your workload demands, controlling costs in storage servers and mid-range analytics appliances. This is not just a memory module; it is the reliability backbone of your data center.
General Virtualization
For a typical hypervisor host, populate at least six to eight of these 16 GB RDIMMs per socket to secure 96–128 GB of headroom. Balanced Dual-Rank x8 modules at 2666 MHz deliver consistent latency under mixed VM workloads. Avoid leaving channels empty; fully populate identical DIMMs across memory channels to maintain NUMA locality and prevent performance cliffs as VM density grows.
In-Memory Database
In-memory databases such as Redis or SAP HANA demand capacity above raw speed. Fill every available slot with this 16 GB Registered ECC module to reach 256 GB–1 TB, depending on the platform, so the entire dataset resides in protected memory. The ECC and registered buffering safeguard in-flight transactions, while the Dual-Rank design improves row-hit rates for large hash tables.
High-Performance Computing
HPC nodes benefit from balanced bandwidth per core, so install exactly one DIMM per populated memory channel—typically eight modules per dual-socket server—to maximize throughput. The 2666 MHz clock and CL19 registered signaling maintain signal integrity across densely populated boards. Pair with a workload manager to enforce memory-affinity and prevent page faults from sabotaging floating-point throughput.
Server-grade DDR4 RDIMM rigorously tested for compatibility with Dell PowerEdge R740, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650.
Q: Can I mix this MTA18ASF2G72PDZ-2G6E1QG with other memory modules of different brands or speeds?
A: Mixing registered ECC modules of differing brands or speeds is strongly discouraged. The server will default to the lowest common speed and may face stability issues. Always use identical, validated modules for mission-critical workloads.
Q: Is this memory compatible with my Intel Xeon or AMD EPYC server platform?
A: This 16GB DDR4-2666 RDIMM is compatible with Intel Xeon Scalable (1st/2nd Gen) and AMD EPYC 7001/7002 series platforms that support registered ECC memory using a C612/C620 or equivalent chipset.
Q: What is the recommended DIMM population order for optimal performance?
A: Populate identical dual-rank x8 DIMMs per memory channel, filling the furthest slot from the CPU first. For dual-socket systems, balance capacity equally across both processors to maintain uniform memory access.
Q: Does this module support overclocking or XMP profiles?
A: No. As an enterprise registered ECC module, it runs strictly at JEDEC-standard DDR4-2666 speed. Server platforms prioritize data integrity and stability over overclocking and do not support XMP profiles.
Q: What warranty and typical failure rate can I expect?
A: This module includes a 1-year warranty. Server-rated ECC RDIMMs typically exhibit an annualized failure rate (AFR) well below 0.44%, ensuring high reliability for 24/7 operation under standard conditions.