General

Engineer's Note

This is a server-class DDR3 Registered ECC CDIMM, purpose-built for enterprise platforms running memory-intensive workloads like virtualization and in-memory databases. Its quad-rank x4 configuration maximizes capacity density per channel while the registered signal type and ECC ensure robust signal integrity and error correction, making it ideal for scaling mission-critical environments that demand uncompromising data reliability.

Technical Specs & Insights

1. Registered buffering decouples the command and address bus from the memory controller, preserving signal integrity across fully loaded server boards and preventing data errors during sustained multi-CPU operations.
2. ECC correction silently detects and fixes single-bit errors in real time, a critical defense against silent data corruption that ensures financial ledgers and hypervisor memory states remain absolutely accurate.
3. The 32GB module capacity enables dense memory footprints in virtualized hosts, allowing businesses to run more active virtual machines per server without hitting resource-driven performance cliffs.
4. 1600MHz transfer speed keeps aggregate memory bandwidth aligned with multi-core processor demands, ensuring consistent throughput during concurrent database queries and real-time analytics.
5. Quad Rank x4 organization integrates more DRAM banks on a single stick, raising the maximum addressable memory ceiling in space-constrained blade servers while maintaining stable access timing under full population.

Why These Specs Matter

The Micron MT80KHF4G72MDZ-1G6N1B50A is a server-grade DDR3 Registered DIMM, purpose-built for relentless enterprise workloads. Its four defining characteristics directly address the real pains of data center operators. First, Error Correcting Code (ECC) does more than detect single-bit memory errors; it actively corrects them. In a virtualization cluster hosting dozens of VMs, an uncorrected bit flip from background radiation can crash a critical database instance instantly. ECC makes that silent data corruption virtually non-existent, translating directly to higher uptime for your mission-critical services. Second, the Registered signal buffer decouples the memory chips from the raw command bus. When you populate all 24 DIMM slots on a dual-socket board to achieve massive capacity, unbuffered modules would overload the memory controller and cause boot failures. This Registered architecture guarantees rock-solid signal integrity, letting you scale to hundreds of gigabytes without sacrificing stability. Third, the Quad Rank x4 organization packs four logical ranks onto a single module, enabling this dense 32GB capacity. For an in-memory database like Redis or SAP HANA, fitting the entire hot dataset into RAM is the difference between microsecond responses and storage-level latency. This density lets you maximize capacity per channel, deferring a costly server upgrade. Finally, the 1600MHz speed with CL11 latency provides a balanced sweet spot for bandwidth-hungry virtualized environments, ensuring consistent throughput during peak loads. Together, these features mean fewer unplanned outages, predictable performance, and a lower total cost of ownership for your server fleet.

Endurance & Reliability

General Virtualization
For a DDR3-1600 registered DIMM at 32 GB, populate modules in balanced channels to maximize memory bandwidth. A four-socket server running moderate VM densities can start with four such 32 GB modules (128 GB total) and scale to eight modules (256 GB) per node for typical hypervisor workloads. Maintain identical ranks and CAS latency across all channels to avoid performance penalties.

In-Memory Database
In-memory databases demand low latency and high capacity. Deploy multiple 32 GB quad-rank RDIMMs to saturate all memory channels—for instance, twelve modules per dual-socket system yielding 384 GB. The registered ECC design ensures data integrity during large dataset caching, while the 1600 MHz speed provides sufficient throughput for real-time query engines.

High-Performance Computing (HPC)
HPC clusters benefit from maximum capacity per node. Install these 32 GB registered modules in a fully balanced configuration, e.g., sixteen modules (512 GB) per dual‑socket server, to support large MPI task footprints. The quad-rank structure offers dense capacity, but verify BIOS memory‑mapping limits; under‑populating channels may reduce aggregate bandwidth and slow simulation checkpoints.

Verified Compatibility

Rigorously tested server memory, compatible with Dell PowerEdge R720, HP ProLiant DL380p Gen8, and similar systems.

FAQ