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| Product Type | Memory Module |
|---|---|
| Memory Capacity | 256 GB |
| Memory Technology | DDR4 |
| Product Voltage | 1.2V |
| RAM Speed | 1600MHz |
| RAM Standard | DDR4-1600/PC4-12800 |
| Error Identifying | ECC |
| Signal Type | Registered |
| Column Access Strobe (CAS) | CL11 |
| Rank | Octal Rank x4 |
| Quantity of Pins | 276-pin |
| RAM Genre | CDIMM |
Intended for enterprise server platforms, this 256 GB DDR4-1600 registered CDIMM leverages ECC and an octal-rank x4 organization to provide massive memory capacity ideal for virtualization, in-memory databases, and data integrity-critical workloads. The registered signal type ensures stable command/address routing under heavy load, while the 1.2 V low-voltage operation and dense octal-rank configuration deliver reliable, power-efficient performance in high-capacity deployments.
1. A massive 256 GB capacity per module allows a single server to host countless virtual machines and in-memory databases, drastically increasing consolidation ratios and reducing data center footprint.
2. ECC protection actively detects and corrects single-bit errors in real time, safeguarding against silent data corruption that could crash mission-critical financial or healthcare workloads.
3. Registered signal buffering preserves address and command integrity across fully loaded memory channels, ensuring stable operation even in servers packed with multiple DIMMs per channel.
4. Octal Rank x4 organization delivers extreme per-channel density while keeping electrical loading balanced, allowing large memory footprints without compromising signal quality or uptime.
5. 1.2V operation reduces overall power draw and thermal output, lowering cooling overhead and energy costs in dense rack deployments where every watt matters.
This Micron MTA152ALF16G72MZ-1G6B2B5AA is unmistakably a server-grade DDR4 CDIMM, purpose-built for the relentless demands of enterprise data centers. Its 256 GB capacity directly addresses the pain of virtualized clusters where you need to pack dozens of VMs onto a single node; having that much memory footprint means active working sets stay off slow storage, preventing crippling swap storms during peak loads. The ECC circuitry is non-negotiable here. When you are running an in-memory database like SAP HANA, a single bit flip caused by background radiation can silently corrupt a financial transaction—ECC automatically detects and corrects these errors, preserving data integrity that your SLAs depend on. The Registered signal buffer is what makes 256 GB physically achievable on a single module by stabilizing address and command lines against electrical loading, so you can populate all channels without unexpected reboots or memory training failures. Finally, the octal-rank x4 organization drives real throughput: eight ranks interleave bank accesses, dramatically improving row-hit ratios during analytical queries. Together, these traits transform a server from a risky scaling gamble into a rock-solid consolidation engine for your most critical workloads.
This is a server-class DDR4 Registered ECC DIMM, confirmed by its 256GB density, octal-rank x4 layout, and 1600MHz speed—ideal for capacity-driven enterprise platforms.
General Virtualization
Populate one DIMM per channel with these 256GB modules to build extreme memory pools for dense VM consolidation. A typical dual-socket server using 12 DIMMs delivers 3TB of RAM, and the modest 1600MHz clock rarely bottlenecks virtualized applications, making it a cost-effective way to maximize guest density.
In-Memory Database
Equip servers with the maximum number of these octal-rank RDIMMs to keep entire datasets in DRAM. Verify that the platform supports 8Rx4 loading; even if the bus speed drops to 1333MHz, the sheer capacity eliminates disk paging and accelerates query performance. Distribute DIMMs symmetrically across CPU sockets for balanced access latencies.
High Performance Computing
These high-capacity DIMMs suit memory-bound HPC tasks like graph analytics or in-situ processing. For bandwidth-sensitive simulations, higher-frequency components are strongly preferred. If deployed, use the minimum number of DIMMs per channel to sustain the native 1600MHz speed, and interleave modules evenly across NUMA domains to maintain predictable node performance.
Validated server memory: compatible with Dell PowerEdge R740, HPE DL380 Gen10, Lenovo SR650.
Q: Can I mix this MTA152ALF16G72MZ-1G6B2B5AA with other memory modules of different brands or speeds?
A: Mixing different brands or speeds with registered ECC memory is strongly discouraged. Inconsistent ranks, timings, or voltages often lead to signal integrity issues and system instability. Use identical modules for validated, reliable server operation.
Q: Is this memory compatible with my system?
A: This DDR4-1600 registered ECC 256GB CDIMM is designed for servers supporting Octal Rank x4 LRDIMMs. Confirm your motherboard explicitly supports 276-pin CDIMM form factors and Intel Xeon Scalable or AMD EPYC platforms with the latest BIOS.
Q: What is the recommended DIMM population order for optimal performance?
A: Consult your server motherboard manual for specific population rules. Generally, install identical modules in sets across memory channels, filling the farthest slots from each CPU first, to balance interleaving and maximize throughput.
Q: Does this module support overclocking or XMP profiles?
A: No. This is an enterprise JEDEC-compliant module operating at a fixed 1600MHz with CL11. It does not support XMP or overclocking; reliability and data integrity take priority over frequency adjustments in server environments.
Q: What warranty and typical failure rate can I expect?
A: This memory includes a one-year warranty. Built to enterprise standards, it delivers an extremely low annualized failure rate, typically under 0.5%, ensuring dependable performance in 24/7 mission-critical deployments.