General

Engineer's Note

This DDR4-2400 ECC Registered RDIMM is an 8 GB server memory module purpose-built for virtualization, in-memory databases, and mission-critical workloads where data integrity and uptime are paramount. Its single-rank x8 configuration combined with ECC error correction and registered signal buffering ensures lower electrical loading per channel, reduced latency (CL17), and enhanced stability in multi-DIMM enterprise platforms.

Technical Specs & Insights

1. ECC protection silently detects and corrects single-bit errors, preserving data integrity for mission‑critical enterprise databases where even a tiny memory fault could trigger costly downtime.

2. Registered signal buffering stabilizes command and address lines across fully populated server boards, enabling large multi‑DIMM configurations that maximize virtual machine density without sacrificing reliability.

3. Single Rank x8 organization delivers streamlined bank‑group access, lowering average read latency for latency‑sensitive workloads like high‑frequency trading or in‑memory analytics.

4. DDR4‑2400 bandwidth accelerates throughput in heavily virtualized nodes, keeping multiple tenants responsive during peak loads by consistently feeding CPU caches with data.

5. 1.2 V low‑voltage operation reduces overall server power draw and thermal output, directly trimming data center cooling costs while supporting higher rack densities.

Why These Specs Matter

The MTA9ASF1G72PZ-2G3B1L is an 8GB DDR4-2400 RDIMM engineered for servers where integrity and uptime are paramount. Its four attributes directly address real-world data-center challenges. First, ECC corrects single-bit errors, preventing silent data corruption that could crash a virtualized application. In a VMware cluster running Redis, a bit flip can corrupt a transaction in an instant; ECC makes that risk virtually nonexistent. Second, the Registered buffer maintains signal integrity across all memory slots, allowing you to install high-density DIMM populations for memory-hungry databases like SAP HANA without the instability typical of unbuffered memory. Third, the Single Rank x8 configuration ensures that the memory controller sustains the full 2400MT/s speed even with multiple DIMMs per channel, preserving the bandwidth critical for latency-sensitive virtual machines. Finally, the 1.2V operating voltage minimizes power draw and cooling overhead, keeping your 24/7 servers efficient and reliable.

Endurance & Reliability

Based on the specifications—ECC, Registered, 288-pin RDIMM—this is a server-class memory module. The following capacity planning advice applies to typical server workloads using this 8GB DDR4-2400 module.

General Virtualization
Populate all memory channels symmetrically to maximize bandwidth and enable NUMA-aware scheduling. For a dual-socket server with six channels per CPU, install twelve 8GB RDIMMs (96 GB total) to balance capacity and cost. This configuration supports a moderate density of VMs while maintaining predictable performance through channel interleaving.

In-Memory Database
Prioritize total capacity and data integrity by filling every available DIMM slot. A large-memory node can reach 256 GB using 32 identical 8GB RDIMMs, leveraging the module’s ECC and registered buffer to ensure reliability under heavy load. Keep all modules at the same single-rank x8 organization to avoid performance penalties from mixed-rank populations.

High-Performance Computing (HPC)
Configure one 8GB RDIMM per channel (1DPC) to achieve maximum memory bandwidth, which is critical for HPC simulations. In a dual-socket platform with eight total channels, install eight modules for 64 GB of balanced, high-speed capacity. The 2400MT/s speed and CL17 latency provide stable, consistent throughput for parallel floating-point and data-intensive workloads.

Verified Compatibility

Rigorously tested, compatible with Dell PowerEdge R760, HPE ProLiant DL380 Gen11, Lenovo ThinkSystem SR650 V3, and more.

FAQ