General

Engineer's Note

This Micron 8GB DDR3-1333 RDIMM, with ECC and a registered signal type, is engineered for server platforms where data integrity is non-negotiable, making it ideal for memory-intensive workloads like virtualization and in-memory databases. Its dual-rank x4 configuration and 1.35V low-voltage operation deliver stable, energy-efficient performance, while CL9 latency supports responsive data access in multi-DIMM enterprise environments.

Technical Specs & Insights

1. ECC protection detects and corrects single-bit errors in real time, safeguarding transactional integrity for financial and database workloads that cannot tolerate silent data corruption.

2. Registered architecture buffers command and address signals, ensuring signal integrity and stable operation even when every channel is fully populated in a multi-DIMM server node.

3. Dual Rank x4 organization interleaves memory accesses across ranks, sustaining channel utilization and preventing bottlenecks during heavy virtual machine consolidation.

4. 1.35V low voltage operation trims datacenter power budgets and lowers thermal output, directly improving energy efficiency and enabling tighter server rack density.

5. 8 GB capacity per module strikes a pragmatic balance between total memory footprint and cost, letting IT architects scale to optimum RAM for mid-size virtualization clusters without oversubscription.

Why These Specs Matter

When you are running a dense virtualization cluster or an in-memory database like Redis, an unbuffered desktop DIMM simply will not survive the load. The Micron MT36KSF1G72PZ-1G4M1G is an 8GB DDR3 RDIMM purpose‑built for these punishing enterprise environments, and its four core attributes translate directly into uptime and predictable performance. The ECC engine continuously corrects single‑bit errors and detects multi‑bit corruption, which means a cosmic‑ray bit flip will not silently poison your financial transaction or customer record. The Registered logic buffers command and address signals, decoupling the memory controller from dozens of ranks so you can populate all channels without clock skew—24 slots of memory remain stable when your hypervisor spins up its next hundred VMs. Operating at 1.35V instead of the standard 1.5V, this low‑voltage module slashes the thermal footprint of a fully loaded server, cutting cooling costs in a colocation rack and extending the life of embedded power regulators. Finally, the dual‑rank x4 organization increases bank‑level parallelism, giving your analytics engine faster sustained throughput under heavy concurrent accesses. In a real‑world scenario, pair that ECC‑Registered reliability with the dual‑rank bandwidth, and you can confidently collapse a MySQL cluster onto fewer nodes without risking silent data loss or mid‑query latency spikes. That is not just a memory spec; it is the difference between a 4 a.m. alert and a quiet night.

Endurance & Reliability

This is a server-class DDR3 Registered ECC DIMM, designed for stability in multi-slot configurations. Below are capacity planning guidelines for typical enterprise workloads.

General Virtualization
Populate at least six identical 8 GB RDIMMs across all memory channels to achieve balanced 48–96 GB capacities, ensuring reliable overcommit with ECC protection. For larger VM densities, fill all 12 or more slots to hit 96–192 GB, reducing NUMA penalties and enabling smooth live migration.

In-Memory Database
Maximize capacity by fully loading every available DIMM slot, targeting 128 GB or higher per server. Configure identical dual-rank x4 RDIMMs to sustain low-latency reads; populate one or two DIMMs per channel to balance rank count and clock speed for large working sets like Redis or SAP HANA.

High Performance Computing
Fill all channels evenly—e.g., six or eight modules per node—to deliver peak memory bandwidth. The 1.35 V low-power operation reduces thermal load in dense clusters, while registered ECC ensures data integrity during long-running parallel simulations. Capacity planning depends on per-core memory footprints; typical HPC nodes use 48–192 GB using these 8 GB RDIMMs.

Verified Compatibility

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

FAQ