General

Engineer's Note

Designed as a server-class Registered DIMM with ECC, this 8GB DDR4-2400 module is ideal for virtualization, in‑memory databases, and other data‑integrity‑critical workloads where silent error correction is non‑negotiable. Its dual‑rank x8 organization and CL17 latency deliver stable, high‑bandwidth performance in multi‑DIMM configurations, while the 1.2V operating voltage and registered signal type ensure reliable signal integrity across dense server memory channels.

Technical Specs & Insights

1. ECC error correction silently repairs single-bit memory faults, preserving data integrity for mission-critical enterprise applications that cannot tolerate corruption.
2. Registered signal buffering stabilizes high-density memory configurations, allowing server boards to populate all DIMM slots without compromising command signal quality.
3. Dual rank organization interleaves internal banks to keep data streams flowing continuously, boosting effective bandwidth during heavy virtualization and database transactions.
4. DDR4 technology delivers elevated per-channel throughput, ensuring modern multi-core server CPUs receive instructions and data without stalling under concurrent loads.
5. Eight-gigabyte base capacity provides a cost-efficient footprint for lightweight hypervisor hosts or dedicated caching nodes, balancing resource allocation in clustered environments.

Why These Specs Matter

Based on its specifications, the module with part number MTA18ASF1G72PDZ-2G3B1 is unequivocally a server memory module. The defining RDIMM form factor and ECC capability are engineered for data centers, not desktops or laptops. In real-world deployments, its four core attributes directly translate into business continuity and performance.

For a virtualization cluster running multiple VMs on a hypervisor, the ECC feature is non-negotiable. It actively detects and corrects single-bit memory errors caused by background radiation, preventing silent data corruption that could crash an entire virtualized database server or distort financial transaction logs—a risk that non-ECC memory accepts blindly. Meanwhile, the Registered signal buffer stabilizes communication between the CPU and massive memory arrays. When you populate a server with multiple DIMMs to host dozens of VMs, this buffering preserves signal integrity, ensuring the system can reliably address large memory pools without boot failures or intermittent faults. In an in-memory database like Redis or SAP HANA, the Dual Rank x8 organization uses rank interleaving to accelerate data access. While one rank is refreshing, the controller reads from the other, boosting bandwidth and reducing latency for real-time analytics that demand sub-millisecond response. Finally, the 1.2V DDR4-2400 profile delivers this throughput efficiently. At scale, lower voltage cumulatively reduces power bills and thermal stress inside densely packed racks, keeping your 24/7 workloads stable and cost-effective.

Endurance & Reliability

This 8GB DDR4-2400 Registered ECC RDIMM is designed for server-class platforms requiring data integrity and sustained stability under load. The module operates at 1.2V with dual-rank x8 organization and CL17 latency, making it suitable for virtualization, memory-centric databases, and high-performance computing environments. Below is the capacity planning guidance for these typical workloads.

General Virtualization
For general virtualization, populate at least one DIMM per memory channel to maximize bandwidth. With 8GB modules, six to eight modules per socket (48–64GB) deliver a solid balance of VM density and cost efficiency. Always configure symmetrical populations across CPU sockets to maintain uniform memory access and enable interleaving.

In-Memory Database
In-memory databases thrive on capacity and low latency. Use a fully balanced configuration, typically 12 or more identical 8GB RDIMMs per socket (96GB+), spread evenly across all memory channels. Pair modules in identical channel slots to preserve rank interleaving, which improves transaction throughput and reduces data access hotspots.

High-Performance Computing
HPC applications depend heavily on memory bandwidth. Install six or eight DIMMs per socket (48–64GB) to populate one DIMM per channel, providing optimal bandwidth with dual-rank modules. Avoid mixing capacities or DIMM types in the same channel, and populate all CPU memory controllers uniformly to sustain peak floating-point and simulation performance.

Verified Compatibility

Proven compatible with Dell PowerEdge R740, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650—rigorously tested DDR4-2400 RDIMM.

FAQ