General

Engineer's Note

This VLP RDIMM is purpose-built for server platforms where data integrity and density in constrained chassis are critical, leveraging registered signaling and ECC to ensure stable operation in memory-intensive workloads such as virtualization and in-memory databases. Its dual-rank x4 configuration and CL9 latency optimize bandwidth delivery and command scheduling, making it an ideal fit for 1U rack servers that demand reliable, low-profile memory expansion.

Technical Specs & Insights

1. Registered signal buffering stabilizes high-density memory configurations, ensuring stable data paths in multi-slot servers during continuous operation.
2. ECC protection silently corrects memory errors in real time, safeguarding transactional integrity for mission-critical enterprise databases.
3. Very low profile design frees up airflow channels in compact rack enclosures, keeping adjacent processors cooler under sustained compute loads.
4. Dual Rank x4 organization maximizes rank interleaving across channels, delivering the consistent bandwidth needed for smooth virtual machine responsiveness.
5. Capacity granularity fits dedicated service containers precisely, optimizing cost per socket without wasting physical resources on oversized allocations.

Why These Specs Matter

When you are running a virtualized cluster hosting dozens of VMs, or an in-memory database where latency is measured in microseconds, the server-grade Micron MT36JDZS51272PZ-1G4F1DD is not just another component—it is your foundation for uptime and performance. This 4GB DDR3-1333 VLP RDIMM is purpose-built for enterprise servers, and four of its characteristics directly solve real-world pain points. The ECC functionality silently corrects single-bit memory errors before they corrupt a hypervisor state or bring down a critical database transaction; in your VMware or Hyper-V farm, that means dramatically fewer unexplained crashes and protection against data poisoning in always-on SQL or Redis instances. The Registered signal buffer stabilizes the memory bus when you populate all channels with multiple DIMMs per channel—enabling you to scale memory capacity for larger VM footprints without compromising signal integrity. Its dual-rank x4 organization interleaves memory accesses to deliver higher sustained bandwidth, which directly accelerates large-memory workloads like SAP HANA analytical queries or heavy-forking Apache Spark jobs. And the Very Low Profile form factor is not a cosmetic detail: in dense 1U rack servers and blade enclosures, it improves airflow across fully populated banks, preventing thermal throttling under continuous load. Every bit of this module is engineered to keep your services available and your results accurate when the cost of failure is measured in revenue.

Endurance & Reliability

General Virtualization
For a typical hypervisor hosting multiple VMs, a balanced configuration with six to eight of these 4 GB VLP RDIMMs (24–32 GB total) per socket works well. The ECC and registered features ensure data integrity under mixed workloads, while the low-voltage profile helps keep power and cooling costs in check in dense rack environments.

In-Memory Database
In-memory databases demand both capacity and reliability. Populate all available DIMM slots with these dual-rank x4 modules to maximize bandwidth and reach 128 GB or more per server. The combination of ECC and registered signaling is critical here, preventing silent data corruption during high-throughput caching and real‑time analytics.

High‑Performance Computing (HPC)
HPC clusters benefit from the module’s 1333 MHz speed and dual‑rank organization when configured in a fully balanced, multi‑channel layout. Install identical sets of six or eight RDIMMs per node to avoid memory‑channel imbalance, delivering predictable latency and sustained throughput for simulation, modeling, or parallel computation jobs.

Verified Compatibility

Rigorously tested, compatible with Dell PowerEdge R720, HPE ProLiant DL380p Gen8, Lenovo ThinkServer RD530, etc.

FAQ