General

Engineer's Note

This 16GB DDR4-2400 RDIMM with ECC and registered signaling is engineered for server platforms handling memory-intensive workloads like virtualization and in-memory databases, where data integrity is paramount. Its dual-rank x4 organization enhances bank-level parallelism to sustain throughput under heavy loads, while the registered buffer stabilizes signal integrity across densely populated DIMM slots.

Technical Specs & Insights

1. ECC protection silently corrects single-bit memory errors, safeguarding critical transaction data in always-on enterprise servers.
2. Registered signal buffering stabilizes high-capacity memory channels, enabling racks of virtualization hosts to scale without signal integrity loss.
3. Dual-rank interleaving optimizes request pipelining, boosting throughput for memory-intensive databases and consolidated workloads.
4. The module’s ample capacity allows dense memory footprints in blade servers, maximizing VM density per node without straining budget constraints.
5. Standard DDR4 frequency delivers balanced bandwidth, ideal for mixed workloads that demand steady memory throughput with power efficiency.

Why These Specs Matter

This Micron MTA36ASF2G72PZ-2G3D1 is a 16GB DDR4-2400 Registered DIMM with ECC, clearly engineered for server-class workloads where data integrity and uninterrupted operation are non-negotiable. When you run a dense virtualization cluster hosting dozens of VMs, a single bit-flip in memory can corrupt a database transaction or silently crash a guest. The ECC on this module actively detects and corrects single-bit errors, directly preventing expensive downtime and data corruption in hypervisor environments. Its registered signal type buffers command and address lines, allowing the memory controller to reliably drive larger banks of DIMMs without signal degradation—critical when you need to scale up to 256GB or 512GB for in-memory databases like Redis or SAP HANA, where every additional module must remain electrically stable under sustained access. The dual-rank x4 organization boosts effective bandwidth by enabling rank interleaving; while one rank is precharging, the other can start a read, significantly improving latency hiding and throughput during concurrent OLTP queries. Finally, the 1.2V operating voltage and 2400MHz speed deliver a balanced thermal profile that reduces cooling overhead in dense 1U and blade servers, keeping total cost of ownership low without sacrificing the predictable performance your virtualized infrastructure demands.

Endurance & Reliability

General Virtualization
This 16 GB Registered DDR4-2400 module is an ideal building block for virtualized environments. Start with a dual-module configuration (32 GB total) per host to comfortably support a dozen light VMs, then scale to six or eight modules (96–128 GB) as density demand grows. Using identical dual-rank x4 RDIMMs across all channels maintains balanced memory interleaving and consistent ECC protection under mixed workloads.

In-Memory Database
In-memory databases demand both capacity and reliability, making these ECC RDIMMs a safe choice. Populate all memory channels symmetrically—for example, six modules (96 GB) in a hexa-channel server—to maximize bandwidth and house growing datasets entirely in RAM. The dual-rank organization boosts rank interleaving, reducing latency spikes during large upsert bursts.

High-Performance Computing
For HPC clusters, populate one module per channel to hit the sweet spot between capacity and pure throughput; 1.2 V operation keeps thermal load in check across dense nodes. In MPI-heavy codes, scaling to eight identical 16 GB sticks (128 GB) across eight channels delivers the bandwidth headroom needed for large grid simulations. Registered buffering also stabilises signal integrity when populating all slots on dual-socket boards.

Verified Compatibility

Rigorously tested server memory; compatible with Dell PowerEdge R640/R740, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650.

FAQ