General

Engineer's Note

This RDIMM is engineered for server platforms, delivering 32 GB of registered ECC DDR4-2400 memory with dual-rank x4 organization that boosts bandwidth through rank interleaving for demanding virtualization and in-memory database workloads. Its registered signal type and ECC ensure superior signal integrity and data reliability at high memory densities, making it ideal for enterprise-class deployments where uptime and accuracy are paramount.

Technical Specs & Insights

1. ECC protection detects and corrects single-bit errors in real time, safeguarding long-running financial transactions and in-memory databases from silent data corruption.
2. Registered signal buffering minimizes electrical loading on the memory bus, enabling reliable operation across fully populated channels in high-density virtualization hosts.
3. Dual rank x4 organization banks more internal pages for concurrent access, keeping memory bandwidth saturated during peak multi-tenant hypervisor workloads.
4. A 32-gigabyte module capacity allows dense server configurations to support larger RAM-to-core ratios, crucial for scaling in-memory analytics without hitting swap penalties.
5. CL17 CAS latency delivers a tuned response cycle that lowers read delay for cache-sensitive enterprise applications while preserving command stability under sustained load.

Why These Specs Matter

The Micron MTA36ASF4G72PZ-2G3D1QI is a server RDIMM delivering 32GB of DDR4-2400 with four critical features: ECC, registered buffering, dual-rank x4 organization, and 1.2V low-voltage operation. In a virtualized cluster, ECC detects and corrects single-bit errors from cosmic radiation, preventing silent data corruption that could crash your hypervisor or skew financial transaction logs. The registered buffer decouples the command bus, letting you pack 24+ DIMMs into a server for demanding virtualization hosts without signal degradation—essential when running 100+ VMs on a single box. The dual-rank x4 design leverages interlaced ranks to boost command scheduling and sustained bandwidth, a critical advantage for in-memory databases like SAP HANA where simultaneous reads/writes must never bottleneck. Operating at 1.2V, the module cuts power draw and thermal output, which directly reduces energy and cooling costs in large-scale server farms while extending hardware longevity. This is purpose-built memory that safeguards your uptime and ROI.

Endurance & Reliability

General Virtualization
For multi-VM hosts, optimize for balanced channels. Populate all six memory channels per CPU socket with identical 32GB dual-rank RDIMMs—one DIMM per channel—to achieve maximum bandwidth and eliminate NUMA penalties. This yields 192GB per socket, ideal for running dozens of typical VMs. ECC protects data integrity in shared environments.

In-Memory Database
Databases residing in memory require maximum capacity and reliability. Install two DIMMs per channel (2DPC) using these 32GB RDIMMs to reach 384GB per socket, leveraging ECC and registered signaling. Distribute modules evenly across all channels to preserve interleaved memory performance; slight speed derating at 2DPC is acceptable given the capacity advantage.

High-Performance Computing
HPC nodes demand the highest memory bandwidth. Configure one DIMM per channel (1DPC) per socket with identical 32GB dual-rank RDIMMs to sustain full 2400MT/s speed without derating. This provides 192GB of fast-access memory, suitable for simulation pre-processing and medium-scale parallel workloads. Uniform DIMM specifications across nodes ensure consistent cluster throughput.

Verified Compatibility

Rigorously tested, compatible with Dell PowerEdge R740, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650, Cisco UCS C240 M5.

FAQ