General

Engineer's Note

Optimized for entry-level server deployments, this Micron 8 GB DDR4-2400 Registered DIMM leverages single-rank x8 organization to reduce electrical loading on the memory bus, enabling higher population densities in 1U and 2U virtualization hosts. Its ECC and registered signaling ensure robust data integrity and signal stability, making it well-suited for memory-centric workloads like in-memory databases where even single-bit errors are unacceptable.

Technical Specs & Insights

1. Registered buffering stabilizes command and address signals, making this module ideal for dual-socket servers where large memory populations run flawlessly under heavy mixed workloads.
2. Error correction code capability detects and corrects single-bit errors in real time, essential for protecting data integrity in financial databases and mission-critical enterprise applications.
3. Single-rank x8 organization minimizes power draw and thermal footprint per DIMM, allowing denser memory configurations within the constrained thermal envelopes of 1U rack servers.
4. Column access strobe latency of 17 cycles provides a balanced timing profile that sustains consistent transaction response times in database and virtualization environments.
5. This capacity point allows IT to deploy cost-effective memory resources for modest virtualization nodes or edge servers where total cost of ownership is paramount.

Why These Specs Matter

The Micron MT9ASF1G72PZ-2G3A1 is an 8GB DDR4-2400 Registered ECC DIMM, engineered specifically for server environments where data integrity and continuous uptime are non-negotiable. Its four defining characteristics directly address the real-world pain points of IT infrastructure, translating into tangible business resilience.

In a dense virtualization cluster running dozens of guest machines, single-bit memory errors caused by background radiation can silently corrupt critical processes or trigger hypervisor crashes. This module’s ECC circuitry detects and corrects those errors in real time, meaning that a flipped bit in a live financial transaction or a patient record never propagates into a catastrophic failure. Paired with that, the registered signal buffer stabilizes the command and address lines as you populate multiple DIMMs per channel—essential when a host must support terabytes of RAM for large-scale workloads, preventing signal degradation that would otherwise force you to sacrifice speed or capacity.

For in-memory databases and high-frequency trading analytics, the single-rank x8 organization and DDR4-2400 bandwidth deliver predictable low-latency access and swift data throughput. When every microsecond counts, the consistent CL17 timing ensures that query results arrive without jitter, while 1.2V operation helps data centers slash power and cooling costs across racks of identical servers. This combination of error protection, signal integrity, and energy-efficient performance is not just a specification sheet—it is the difference between a service-level agreement met and a costly outage.

Endurance & Reliability

Capacity Planning for Micron 8GB DDR4-2400 RDIMM (MT9ASF1G72PZ-2G3A1)

This is an 8GB DDR4-2400 Registered ECC DIMM, designed specifically for server-class platforms. Its error-correcting code and registered signaling ensure data integrity and signal stability in multi-slot configurations, making it unsuitable for desktop or laptop use. Below are capacity recommendations for typical server workloads.

General Virtualization
For a mid-density host running 20–30 light VMs, populate six to eight identical modules for 48–64 GB total, using balanced channels to maximize memory bandwidth. Deploy modules in matched sets per memory controller to maintain NUMA locality and avoid performance penalties from unbalanced interleaving.

In-Memory Database
Minimize latency by fully populating all memory channels with one DIMM per channel (1DPC), delivering 64–128 GB across eight slots while preserving the 2400 MT/s speed. Avoid mixing ranks or speeds; the single-rank x8 design keeps electrical loading low, which is critical for the low-latency access patterns of Redis or SAP HANA.

High-Performance Computing (HPC)
Maximize capacity per node by populating all channels at 2DPC, achieving up to 256 GB with 16 modules in a dual-socket system. Though 2DPC may drop the frequency to 2133 MT/s, the large memory pool enables larger working sets for simulations. Pair with a 2400 MHz-capable Xeon Scalable processor for optimal memory bandwidth in CFD or weather modeling codes.

Verified Compatibility

Rigorously tested server memory, compatible with Dell PowerEdge R760, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650, and more.

FAQ