General

Engineer's Note

This 8GB DDR3-1333 registered ECC module, built with a dual-rank x4 organization and CL9 latency, delivers dependable signal integrity and hardware-level error correction for demanding server applications. It is best deployed in virtualization hosts and memory-intensive databases where sustained data accuracy and stable 1.35V low-voltage operation on legacy platforms are essential.

Technical Specs & Insights

1. ECC error correction actively detects and corrects single-bit memory faults, preventing silent data corruption in transactional databases and financial processing workloads.
2. Registered signal buffering stabilizes command and address lines across high-capacity memory configurations, preserving signal integrity in dense multi-DIMM server deployments.
3. Dual Rank x4 organization maximizes memory bank interleaving, keeping the server’s memory bandwidth fully utilized under heavy virtualization and container orchestration.
4. Low-voltage operation reduces datacenter power draw and thermal output per DIMM, lowering cooling costs and improving energy efficiency in large-scale rack environments.
5. This capacity per module provides a balanced building block for memory-hungry virtual machines, supporting moderate consolidation ratios without immediate need for costly upgrades.

Why These Specs Matter

When you are managing a virtualized cluster running dozens of mission-critical VMs, the server memory you choose is not a commodity—it is the foundation of uptime and performance. The Micron MT36KSF1G72PZ-1G4M1HG is an 8 GB DDR3-1333 Registered DIMM designed precisely for these enterprise environments, and its four defining characteristics translate directly into risk reduction and tangible throughput gains.

First, Error Correcting Code (ECC) actively detects and corrects single-bit memory errors caused by background radiation, a phenomenon that silently corrupts data in non-ECC systems. In a multi-hour database transaction log or a live SAP HANA in-memory analytics run, a single flipped bit can force a costly query failure or even a server restart. ECC eliminates that vulnerability, ensuring data integrity for your financial records or customer transactions. Second, the registered signal buffer on this RDIMM stabilizes the electrical load on the memory bus, allowing you to populate all 24 DIMM slots in a 2U server without signal degradation. For a VMware farm consolidating 50 light-load web servers onto a single physical node, this means you can reach 192 GB of reliable capacity instead of hitting a frequency wall with unbuffered modules. Third, the dual-rank x4 organization employs interleaving to deliver superior bandwidth under heavy concurrent access—critical when multiple VMs hammer the disk cache or when a large Redis instance responds to thousands of queries per second. Finally, operating at just 1.35V, this module draws noticeably less power than standard 1.5V DDR3. In a fully populated server rack, that efficiency lowers thermal stress and operating cost, meaning more stable long-term hosting and a longer hardware lifespan without sacrificing a single clock cycle. Every one of these features is not just a specification; it is insurance for your workload’s availability and speed.

Endurance & Reliability

General Virtualization
When building a virtualization host, deploy identical 8 GB Registered ECC modules across all memory channels to eliminate bottlenecks. A typical dual-socket server benefits from 8 identical sticks (64 GB total), providing sufficient capacity for numerous VMs while maintaining balanced memory access. The 1.35V low-voltage operation optimizes power efficiency in dense deployments, and ECC with registered buffering ensures reliability under sustained mixed workloads.

In-Memory Database
In-memory databases demand maximum RAM capacity and flawless data integrity. Populate all available DIMM slots with these 8 GB RDIMMs—targeting 128 GB (16 modules) per dual-processor node—so the entire working set can reside in memory. The dual-rank x4 design and registered signalling guarantee robust signal integrity and low-latency access, which are critical for 24/7 transactional processing without silent data corruption.

High-Performance Computing (HPC)
HPC clusters rely on high sustained memory bandwidth and node stability for parallel computation. Install identical 8 GB DDR3-1333 RDIMMs across every memory channel, typically 8 or 12 modules per server, to achieve maximum aggregated throughput. The 1.35V LV-RDIMMs lower thermal output in dense racks, and the built-in ECC protection preserves calculation accuracy throughout long-running simulation or modeling jobs.

Verified Compatibility

Rigorously tested, compatible with servers like Dell PowerEdge R720, HP ProLiant DL380p Gen8, and Cisco UCS C220 M3.

FAQ