General

Engineer's Note

The Micron MT36JDZS1G72PZ-1G4 is an 8 GB DDR3-1333 VLP RDIMM engineered for server platforms, where its registered signal type and ECC ensure superior signal integrity and data reliability in dense memory configurations. With a dual-rank x4 organization and CL9 latency, this module is ideally suited for virtualization workloads and in-memory databases that demand both high capacity stability and consistent, low-latency access to critical data.

Technical Specs & Insights

1. ECC technology transparently corrects single-bit errors during memory read operations, preserving financial transaction integrity and preventing silent data corruption in always-on database servers.
2. The registered clock driver buffers command and address lines, ensuring crisp signal integrity across massive memory populations and eliminating stability-related downtime in dense virtualization hosts.
3. Dual rank x4 organization interleaves bank accesses to maximize sustained bandwidth under heavy I/O concurrency, directly boosting VM responsiveness and software-defined storage throughput.
4. VLP (Very Low Profile) form factor reduces airflow obstruction in cramped 1U rack and blade enclosures, lowering fan power consumption and extending component lifespan through cooler operation.
5. Eight gigabytes of capacity provides an efficient, power-conscious memory footprint for containerized microservices and cache layers, enabling higher node density without sacrificing per-core allocation.

Why These Specs Matter

The Micron MT36JDZS1G72PZ-1G4 is a server-grade DDR3-1333 VLP RDIMM that packs 8GB with ECC, registered buffering, dual-rank x4 organization, and a very-low-profile design—four features that directly address the most critical pain points in virtualized environments and in-memory databases. For a virtualized cluster, undetected memory bit-flips cause data corruption and mysterious VM crashes. ECC technology silently detects and corrects single-bit errors, ensuring transactional integrity for every guest. Meanwhile, the registered buffer maintains clean command and address signaling even when all DIMM slots are fully loaded, letting you deploy high-density memory configurations for hypervisors without signal degradation. In an in-memory database like Redis or SAP HANA, the dual-rank x4 layout improves bandwidth via rank interleaving, allowing the memory controller to pipeline concurrent accesses and significantly cut latency during peak read workloads. Finally, its VLP form factor is ideal for dense 1U chassis, improving airflow and lowering thermal hotspots, which sustains long-term reliability.

Endurance & Reliability

Based on the ECC, registered signal, and 240-pin form factor, the MT36JDZS1G72PZ-1G4 is a server memory module. Use this guide to plan capacity for typical server workloads.

General Virtualization
Populate at least one DIMM per memory channel to balance capacity and cost. For a dual-socket system using triple-channel architecture, six 8GB modules provide 48GB—sufficient for 10–15 typical VMs. Leave half the slots empty to support future growth without replacing existing RAM.

In-Memory Database
Maximize total capacity by filling all channels; fault‑tolerant configurations often use 16 of these 8GB RDIMMs (128GB) in a dual‑socket quad‑channel server. This keeps entire databases in RAM for low‑latency access, while registered ECC corrects multi‑bit errors under sustained heavy load.

High‑Performance Computing
Achieve peak memory bandwidth by installing one identical 8GB DIMM per channel, maintaining full DDR3‑1333 speed. In a dual‑socket quad‑channel node, eight modules yield 64GB and balanced NUMA access—ideal for simulation, analytics, or rendering where every byte of throughput counts.

Verified Compatibility

Rigorously tested server memory, compatible with Dell R710,R720, HP DL380 G7, Lenovo RD630, and similar DDR3 Registered ECC systems.

FAQ