General

Engineer's Note

This Micron 8GB DDR4-2400 RDIMM, with its registered signal type and ECC, ensures exceptional data integrity and stability for mission-critical server workloads such as virtualization and in-memory databases. The single-rank x4 configuration at 1.2V delivers a favorable balance of low latency (CL17) and bandwidth, optimizing memory controller loads in dense rack deployments.

Technical Specs & Insights

1. ECC protection autonomously corrects single-bit errors, safeguarding transactional databases and in-memory caches from silent data corruption under 24/7 operation.
2. Registered signal buffering stabilizes the command and address bus, allowing dense server motherboards to populate all DIMM slots without compromising signal integrity.
3. The 8 GB capacity per module supplies ample headroom for lightweight virtualization hosts, web server instances, or dedicated appliance workloads without overprovisioning.
4. DDR4-2400 bandwidth accelerates data movement between CPU and memory, reducing latency spikes in real-time analytics and high-traffic middle-tier services.
5. Single Rank x4 organization limits bus loading, which helps maintain lower latency and higher frequency margins inside heavily consolidated rack-mount servers.

Why These Specs Matter

Engineered for server reliability, the MTA18ASF1G72PZ-2G3B1QG 8GB DDR4 RDIMM combines four features that directly solve critical pain points. ECC continuously corrects single-bit errors caused by background radiation, ensuring hypervisors in a virtualized cluster remain stable and avoiding transactional corruption in in-memory databases like SAP HANA. The registered buffer cleanly retransmits command signals, allowing you to fully populate memory channels for dense VM hosting without timing errors. Its single-rank x4 configuration enhances signal integrity and boosts bandwidth, crucial for high-concurrency database queries that demand fast parallel data access. With 1.2V operation and 2400MHz CL17 timing, it lowers energy consumption while maintaining responsive performance. For you, that means nonstop virtualization, accurate real-time analytics, and a leaner data center power footprint.

Endurance & Reliability

General Virtualization
For general virtualization hosts, populate at least four identical 8 GB RDIMMs per CPU to balance memory bandwidth and capacity across memory channels. A baseline of 64 GB (8 × 8 GB) supports moderate VM density, while scaling to 128 GB or 256 GB by adding more modules accommodates heavier consolidation workloads without sacrificing the registered ECC reliability essential for multi-tenant stability.

In-Memory Database
In-memory databases demand both low latency and high availability, making 8 GB registered ECC DIMMs a cost‑effective building block. Fully populate all memory channels with single‑rank modules to maximize bandwidth while targeting total capacity well above the working dataset — typically starting at 256 GB (32 modules) and scaling linearly. The CL17 latency and 1.2 V efficiency help sustain high throughput under constant transactional loads.

High‑Performance Computing
HPC clusters benefit from per‑node memory configurations that match per‑core ratios, often 4–8 GB per core. Using 8 GB RDIMMs, populate all memory channels symmetrically to avoid NUMA imbalances; for a dual‑socket node, 128 GB (16 × 8 GB) is a common entry point. Single‑rank x4 organization and registered signaling ensure signal integrity at scale, sustaining bandwidth‑intensive parallel I/O and simulation workloads.

Verified Compatibility

Rigorously tested, this 8GB DDR4-2400 RDIMM works with Dell PowerEdge R740, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650.

FAQ