General

Engineer's Note

This RDIMM is engineered for server platforms, delivering exceptional data integrity through ECC and stable signal integrity via its registered architecture. Its Single Rank x4 configuration makes it particularly well-suited for dense memory configurations in virtualization and in-memory database workloads, where consistent low latency and reliability are critical.

Technical Specs & Insights

1. A 16GB capacity per module maximizes virtualization density, allowing a single server to host more virtual machines without compromising memory headroom for critical applications.
2. ECC protection continuously detects and corrects single-bit errors, preserving data integrity for financial databases and mission-critical services where even silent corruption is unacceptable.
3. Registered signal architecture buffers command and address buses, ensuring reliable communication across heavily loaded server boards even when all DIMM slots are populated.
4. Sustained 2400MHz operation provides the stable bandwidth essential for in-memory analytics and large-scale virtualization, eliminating latency spikes under concurrent user loads.
5. Single Rank x4 configuration reduces electrical loading on the channel, enabling cleaner signals and higher achievable speeds in multi-DIMM server deployments where signal integrity directly impacts uptime.

Why These Specs Matter

The Micron MTA18ASF2G72PZ-2G3B1QK is a server-class RDIMM purpose‑built for workloads where downtime is unacceptable and data integrity is non‑negotiable. In a virtualized cluster running dozens of VMs on a single host, an undetected bit flip in memory can silently corrupt a database transaction, propagate through replicated storage, and ultimately crash critical services. The ECC engine on this module corrects single-bit errors and detects multi-bit faults on the fly, effectively shielding your virtual infrastructure from soft errors caused by background radiation. Meanwhile, the registered buffer architecture decouples the DRAM chips from the memory controller, stabilizing signal integrity when all 24 DIMM slots are populated. This means you can confidently scale to 384 GB or more per server using these 16 GB single‑rank x4 modules without sacrificing speed. For an in‑memory database such as Redis or SAP HANA, the combination of DDR4‑2400 bandwidth and CL17 latency ensures that millions of queries per second are served with predictable low latency, while the 1.2 V operating voltage trims power consumption across a fleet of servers by several watts per DIMM—directly lowering cooling costs and improving your data center PUE. Every design choice here translates to a tangible outcome: uncompromising reliability, scalable capacity, and the energy efficiency that hyperscale operators demand.

Endurance & Reliability

Capacity Planning Guidance for DDR4-2400 ECC RDIMM

This 16GB DDR4-2400 Registered ECC module is designed for server platforms. Its error correction and registered signaling provide the stability required for mission-critical workloads. Below are configuration recommendations for three common server scenarios.

General Virtualization
Virtualized environments are often memory-bound before CPU resources are exhausted. Populate at least four modules per CPU to enable balanced memory interleaving and sufficient capacity for a typical mix of 20–30 lightweight VMs. Distribute identical DIMMs evenly across memory channels to maintain uniform latency and maximize bandwidth, striving for 64–128GB per host as a starting point.

In-Memory Database
In-memory databases like Redis or SAP HANA demand high capacity and absolute data integrity. Maximize total RAM by populating all available DIMM slots with identical 16GB RDIMMs, adhering to the server vendor’s population order. A 256GB or larger configuration across both sockets is typical for mid-sized instances, and ECC protection is essential to prevent silent data corruption.

High-Performance Computing (HPC)
HPC workloads benefit from aggregate memory bandwidth as much as total capacity. Install one DIMM per channel (1DPC) to achieve the highest supported speed and consistent latency across all memory controllers. For dual-socket systems, a balanced 128GB (eight modules) or 256GB (sixteen modules) configuration ensures peak throughput for simulation codes and data analysis jobs.

Verified Compatibility

Rigorously tested Micron 16GB DDR4-2400 RDIMM for Dell PowerEdge R760, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650, and more.

FAQ