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| Product Type | Memory Module |
|---|---|
| Memory Capacity | 128 GB |
| Memory Technology | DDR4 |
| Product Voltage | 1.2V |
| RAM Standard | DDR4-2666/PC4-21300 |
| Error Identifying | ECC |
| Signal Type | Registered |
| Column Access Strobe (CAS) | CL19 |
| Rank | Octal Rank x4 |
| Quantity of Pins | 288-pin |
| RAM Genre | RDIMM |
This is a server-class DDR4 RDIMM module designed for enterprise platforms, where its 128 GB capacity and octal rank x4 configuration enable dense memory footprints for memory-intensive workloads such as virtualization, in-memory databases, and large-scale data analytics. The combination of ECC error correction and registered signal buffering ensures superior data integrity and system stability under sustained heavy loads, while the CL19 latency and 1.2 V low-power operation maintain reliable efficiency in 24/7 environments.
1. ECC protection ensures end-to-end data integrity, preventing silent memory errors that could corrupt financial transactions or virtualized workloads in always-on server environments.
2. Registered signal type buffers command and address lines, enabling stable population of all DIMM slots in dense rack servers without compromising signal integrity.
3. Octal Rank x4 organization maximizes per-channel capacity density, allowing a single server node to host significantly more virtual machines while sustaining high memory bandwidth.
4. With 128GB per module, this DIMM radically expands the memory footprint in memory-constrained 2U and blade servers, directly supporting larger in-memory databases and analytics.
5. DDR4-2666 with CL19 delivers a balanced throughput of 21.3 GB/s, efficiently feeding multi-core Xeon processors when running concurrent enterprise workloads without throttling.
In enterprise computing, memory faults mean downtime. The Micron MTA144ASQ16G72PSZ-2S6G1, a 128GB DDR4-2666 Registered DIMM, delivers four capabilities vital for server workloads. ECC is your insurance against soft errors; in a virtualized cluster, a single undetected bit-flip in hypervisor memory can silently corrupt database pages. The registered buffer isolates the controller from multi-rank electrical loads, enabling dense 8-DIMM-per-channel populations without signal degradation—critical for in-memory analytics demanding terabyte-scale datasets. The 128GB density per module raises VM consolidation ratios, directly cutting licensing and hardware spend. Finally, its octal-rank x4 organization sustains 21.3 GB/s bandwidth through deep bank interleaving, ensuring low latency under the random access patterns of real-time databases. For your data center, this RDIMM translates to uncompromised integrity, scalable capacity, and the performance headroom for always-on business insights.
Server Memory Identified
This is a 128GB DDR4-2666 ECC Registered RDIMM, an octal-rank module designed for enterprise servers. Capacity planning must leverage its high density, error correction, and registered signaling to maximize reliability in multi-slot configurations.
General Virtualization
Populate six to eight identical modules across all memory channels for balanced access. A common configuration is 6 × 128GB (768GB total) to allow dozens of moderate VMs with memory overcommit, while leaving slots free for future scaling. Always match DIMMs by rank and speed to avoid training failures.
In-Memory Database
Maximize capacity per channel to keep entire datasets in DRAM. Fully populate supported channels—e.g., 12 × 128GB for 1.5TB—to eliminate swap latency. Use the ECC and registered buffer to sustain 24/7 data integrity under heavy write loads typical of Redis, Memcached, or SAP HANA.
High-Performance Computing
Balance capacity with memory bandwidth by populating one DIMM per channel (1DPC) where possible. For bandwidth-sensitive workloads, configure 8 × 128GB (1TB) at the rated 2666 MT/s to avoid rank-induced downclocking. If more capacity is required, move to 2DPC but validate application performance, as octal-rank DIMMs may force lower speeds.
Engineered for servers, rigorously tested and compatible with Dell PowerEdge R760, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650.
Q: Can I mix this MTA144ASQ16G72PSZ-2S6G1 with other memory modules of different brands or speeds?
A: Mixing ECC Registered DIMMs of different brands or speeds is strongly discouraged. It may cause signal integrity issues and system instability on servers. Always populate with identical part numbers for validated compatibility.
Q: Is this memory compatible with my system?
A: This 128GB DDR4-2666 ECC RDIMM targets Intel Xeon Scalable (Gen 2+) and select AMD EPYC platforms. Confirm your server board supports octal-rank x4 128GB RDIMMs and 2666 MT/s to ensure full functionality.
Q: What is the recommended DIMM population order for optimal performance?
A: Follow your server vendor’s guide, typically filling identical DIMMs symmetrically across memory channels. For this octal-rank module, install it in the primary slots of each channel to maximize interleaving and bandwidth.
Q: Does this module support overclocking or XMP profiles?
A: No. As a server-grade ECC Registered DIMM, it adheres to JEDEC standards and does not support overclocking or XMP. It is engineered for stable operation at DDR4-2666 CL19, prioritizing data integrity over frequency.
Q: What warranty and typical failure rate can I expect?
A: This module comes with a 1-year warranty. Enterprise-class ECC RDIMMs like this are built with stringent quality controls, resulting in a very low annualized failure rate (typically under 0.5%) under normal operating conditions.