General

Engineer's Note

This RDIMM with ECC and registered signaling is engineered for server platforms where data integrity and uptime are critical, making it ideal for virtualization, in-memory databases, and enterprise workloads. The single-rank x4 configuration enhances memory controller efficiency and signal integrity at 2400 MHz, while CL17 latency and registered clock drivers ensure stable, reliable operation under sustained heavy load.

Technical Specs & Insights

1. ECC protection corrects single-bit data errors on the fly, preserving data integrity in financial transactions and database operations where even a single flipped bit can cause silent data corruption.
2. Registered signal buffering stabilizes electrical loads across densely populated server motherboards, allowing fleets of DIMMs to scale up without compromising command reliability under 24/7 uptime.
3. Single Rank x4 organization keeps memory interleaving optimal per channel, delivering consistent low-latency access that improves response times for virtualized SQL and in-memory caching workloads.
4. 2400MHz clock speed provides a balanced throughput envelope for multi-socket servers, sustaining steady bandwidth to dozens of concurrent VMs without creating thermal hotspots in rack-dense deployments.
5. 16GB capacity per module hits the density sweet spot for hyper-converged infrastructure, maximizing VM guest counts per node while leaving resource headroom for memory-overhead features like live migration and fault tolerance.

Why These Specs Matter

The MTA18ASF2G72PZ-2G3B1RG is a server-class Registered DIMM engineered for enterprise environments where data integrity and uptime are non-negotiable. Its ECC capability actively detects and corrects single-bit errors caused by background radiation or electrical noise, preventing silent data corruption that could crash a virtualized SQL cluster or produce inaccurate financial reports. The registered signal buffer stabilizes the command and address bus, allowing dense memory populations across 16 or 24 DIMM slots without signal degradation. This directly enables you to scale virtualization hosts to support hundreds of virtual machines with confidence. The single-rank x4 organization with CL17 latency balances electrical load and delivers consistent bandwidth for memory-intensive workloads like Redis or SAP HANA in-memory databases, where latency variations directly impact transaction throughput. Additionally, the 1.2V operating voltage reduces thermal output in scale-out data centers, lowering both cooling costs and long-term energy bills across a rack full of servers. By combining error proofing, stable high-capacity scaling, predictable database performance, and energy efficiency, this 16GB DDR4-2400 RDIMM turns a simple memory upgrade into a foundation for reliable, cost-effective infrastructure.

Endurance & Reliability

Server Memory (RDIMM with ECC)

General Virtualization
Populate all memory channels symmetrically to maximize bandwidth and ensure stable VM density. For a dual-socket server with eight channels per CPU, install eight identical 16 GB RDIMMs for 128 GB total, leaving room to scale. Balance modules across sockets to avoid NUMA penalties.

In-Memory Database
Capacity and data integrity are paramount. Fill every channel with at least one 16 GB module – an 8-DIMM configuration yielding 128 GB handles moderate in-memory datasets. For larger working sets, use two DIMMs per channel (16 × 16 GB = 256 GB) while maintaining registered ECC protection and CL17 latency consistency.

High Performance Computing (HPC)
Prioritize memory bandwidth. Deploy one single‑rank 16 GB DIMM per channel to run at the rated 2400 MT/s without speed degradation, delivering maximum throughput for floating‑point‑heavy workloads. Identical RDIMMs across all channels ensure uniform performance and prevent rank‑balancing bottlenecks during parallel job execution.

Verified Compatibility

Rigorously tested server memory compatible with Dell PowerEdge R740, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650, Cisco UCS C220 M5.

FAQ