General

Engineer's Note

This Micron 8GB DDR3-1333 RDIMM, featuring ECC and a registered signal architecture, is engineered for server platforms running virtualization or memory-intensive databases where data integrity and stability under heavy load are paramount. Its dual-rank x4 configuration and CL9 latency provide a balanced blend of capacity interleaving and responsiveness, ensuring reliable throughput in multi-DIMM enterprise environments.

Technical Specs & Insights

1. Registered signal type buffers command and address paths, allowing large-scale server deployments to populate multiple DIMMs per channel without signal degradation.
2. ECC error detection and correction protects in-flight data from single-bit corruption, preserving transactional accuracy in database and financial computing environments.
3. Dual Rank x4 architecture optimizes memory interleaving, sustaining bandwidth-intensive operations across multiple virtual machines during peak consolidation periods.
4. 8 GB capacity per stick serves as a flexible capacity tile for hypervisor hosts, delivering enough headroom for moderate guest densities while keeping expansion straightforward.
5. 1333 MHz operating speed provides balanced throughput for legacy enterprise workloads, ensuring stable data flow without exceeding thermal and power budgets in dense rack configurations.

Why These Specs Matter

When your infrastructure powers virtualized clusters or in-memory databases, the choice of server memory directly dictates uptime and transaction speed. The Crucial MT36JSF1G72PZ-1G4M1HE is an 8GB DDR3-1333 RDIMM purpose-built for these demanding roles, and its four core attributes translate into real-world resilience. First, the ECC technology actively corrects single-bit errors caused by cosmic radiation or electrical noise, preventing silent data corruption that could crash a hypervisor hosting dozens of virtual machines. Second, the registered signal type buffers the command and address lines, allowing your server to populate all memory channels with multiple DIMMs while maintaining clean signal integrity—crucial when scaling to 96GB or more for dense consolidation. Third, the dual-rank x4 organization enables interleaving within the module, overlapping access cycles to deliver higher sustained bandwidth for in-memory analytics platforms like SAP HANA, where every nanosecond of latency impacts query throughput. Finally, operating at a standard 1.5V and 1333MHz with CL9 timings, this DIMM offers a stable, predictable thermal profile, minimizing throttling risk in 24/7 operations. This balance means you can schedule maintenance on your terms, not because a memory error brought down an entire node.

Endurance & Reliability

General Virtualization
For legacy servers running hypervisors, this 8GB DDR3-1333 RDIMM offers a cost-effective capacity upgrade. Populate all memory channels evenly with one dual-rank module per channel to sustain the full 1333MT/s speed. A typical dual-socket platform with 12 DIMM slots yields 96GB when fully populated, providing solid VM density while maintaining ECC protection and balanced throughput.

In-Memory Database
Maximize in-memory dataset size by filling every DIMM slot with these 8GB ECC registered modules. In a dual-socket server, installing 24 modules delivers 192GB of reliable capacity. Use a balanced two-DIMM-per-channel layout to keep operation at 1333MHz and to exploit the dual-rank x4 organization for better interleaving and latency.

High Performance Computing
HPC nodes demand peak memory bandwidth. Deploy eight modules per socket—one per channel—in a symmetric dual-socket configuration to achieve 128GB while preserving 1333MT/s. This registered ECC arrangement ensures deterministic latency and data integrity for parallel simulation codes, fully leveraging the dual-rank design under sustained loads.

Verified Compatibility

Validated for servers like Dell PowerEdge R720, HP ProLiant DL380p Gen8. Rigorously tested. Reliable compatibility.

FAQ