General

Engineer's Note

Designed for enterprise servers, this 4 GB DDR3-1333 RDIMM (PC3-10600) with ECC and registered signaling delivers uncompromising data integrity and stability, making it ideally suited for virtualization environments and memory-resident databases where even single-bit errors are unacceptable. Its dual-rank x4 configuration and CL9 latency strike an optimal balance between bank-level parallelism and responsive access, ensuring consistent throughput under sustained, mission-critical loads.

Technical Specs & Insights

1. Error-correcting code detects and corrects single-bit memory errors, preventing silent data corruption in transactional databases and long-running analytic workloads.
2. Registered buffering strengthens signal integrity across fully loaded server memory channels, ensuring reliable operation even with densely populated DIMM slots per node.
3. Dual-rank x4 organization interleaves access across two sets of memory banks, sustaining peak channel utilization and reducing latency spikes under multi-tenant virtualization.
4. This module’s capacity granularity enables incremental scaling of server memory pools, aligning RAM expansion with fluctuating virtual machine demands.
5. That clock rate translates to 10.6 GB/s of sustained bandwidth per channel, accommodating high-throughput data-intensive applications like in-memory caching and live migration.

Why These Specs Matter

When deploying mission‑critical enterprise workloads, the integrity and availability of data are non‑negotiable. The Micron MT36JSZF51272PY-1G4D1 is a 4GB DDR3‑1333 Registered DIMM engineered precisely for these demands, and four of its design characteristics directly translate to tangible reliability and performance gains in server environments.

First, the Error Correcting Code (ECC) continuously detects and corrects single‑bit memory errors. In a large‑scale virtualization cluster hosting dozens of VMs, a cosmic ray‑induced bit flip is a statistical certainty. Without ECC, such an error silently corrupts a transaction log or hypervisor state, risking cascading failures. This module safeguards against that. Second, the Registered signal type buffers the command and address lines, dramatically reducing electrical loading on the memory controller. For a database server running an in‑memory analytics engine, this enables the use of multiple DIMMs per channel without signal degradation, allowing you to scale to hundreds of gigabytes of stable, coherent memory.

Third, the dual‑rank x4 organization exploits rank interleaving, overlapping activate and read cycles to boost sustained bandwidth. This directly accelerates parallel queries in a relational database, where one rank can prepare data while another is transferring results. The 1333 MHz speed and CL9 latency further ensure responsive data fetches under heavy concurrency. Together, these features mean fewer hardware‑induced anomalies, higher virtual machine density, and faster insight from your memory‑intensive applications, keeping your data center both resilient and productive.

Endurance & Reliability

General Virtualization
For general virtualization hosts using this 4 GB DDR3-1333 RDIMM, populate all memory channels symmetrically to maximize interleaving and bandwidth. A typical dual-socket server often requires at least 64 GB, so plan for 16 identical modules (8 per CPU) to balance capacity and cost while maintaining stable 1.5 V operation.

In-Memory Database
In-memory databases demand low latency and high reliability, making these ECC Registered DIMMs a solid fit. Configure with the maximum supported DIMMs per channel—commonly three per channel in a triple-channel Nehalem/Westmere-era platform—to push capacity toward 96 GB or more, while CL9 dual-rank x4 organization helps sustain fast column access under heavy transactional loads.

High-Performance Computing (HPC)
For HPC clusters where memory bandwidth often limits performance, install at least one DIMM per channel to enable full memory interleaving. Since the module is dual-rank x4, populating two DIMMs per channel delivers a good compromise between capacity and speed, keeping 1333 MT/s signalling stable with registered buffering and ECC protection for large-scale simulations.

Verified Compatibility

Rigorously tested, this server memory is compatible with Dell PowerEdge R710, HP ProLiant DL380 G7, and IBM System x3650 M3.

FAQ