General

Engineer's Note

Targeted for server platforms, this Samsung M392B5273DH0-YH9 VLP RDIMM leverages DDR3-1333 with ECC and registered signaling to ensure robust data integrity and stable operation under heavy memory loads, making it ideal for virtualization, in-memory databases, and dense rack deployments. Its dual-rank x8 organization paired with a low 1.35V operating voltage and CL9 latency optimizes throughput and power efficiency, while the very low-profile form factor improves airflow in constrained 1U/2U chassis.

Technical Specs & Insights

1. Registered signal type ensures stable command and address signaling across heavily populated server memory channels, preventing data corruption in large-scale virtualization farms.
2. ECC error correction detects and corrects single-bit faults in real time, preserving transaction integrity for financial databases and mission-critical workloads.
3. Dual Rank x8 organization leverages rank interleaving to boost effective bandwidth, keeping latency low when multiple VMs contend for memory access.
4. 1.35V low-voltage operation trims overall server power draw and eases thermal load, enabling denser rack deployments without exceeding cooling budgets.
5. 1333MHz data rate delivers consistent performance headroom for legacy enterprise platforms, balancing throughput demands of moderate-load web serving and caching tiers.

Why These Specs Matter

The Samsung M392B5273DH0-YH9 is a server-grade DDR3 VLP RDIMM, engineered for data centers where every transaction and every watt counts. Its four defining characteristics directly address the critical pain points of enterprise workloads.

First, ECC (Error Correcting Code) protection is non-negotiable in virtualized clusters. With dozens of VMs sharing a physical node, a single DRAM bit-flip caused by cosmic rays can silently corrupt a financial record or trigger a host crash. ECC detects and corrects these errors in real time, safeguarding data integrity for your entire virtual infrastructure without service interruption.

Second, the Registered (buffered) architecture stabilizes high-capacity configurations. When populating all 24 DIMM slots in a 2U server to run an in-memory database like SAP HANA, unbuffered modules would strain the memory controller with electrical loading. The onboard register re-drives command and address signals, enabling reliable operation with 768 GB or more of memory per node—so your largest datasets stay hot and accessible.

Third, the 1.35 V ultra-low voltage slashes power consumption. In a fully populated rack, this translates directly into lower electricity bills and reduced cooling overhead, freeing up stranded power budget for additional compute. Finally, the Dual Rank x8 organization delivers superior bandwidth through rank interleaving. While one rank is charging, the other is accessed, significantly boosting throughput for latency-sensitive applications like Redis or large-scale virtual desktop pools. The VLP (Very Low Profile) form factor further maximizes airflow in dense blade enclosures, ensuring this memory performs reliably 24/7 in the most demanding environments.

Endurance & Reliability

Memory Type Determination: The M392B5273DH0-YH9 is a server-grade DDR3 ECC Registered VLP RDIMM, designed for high-reliability rack and tower servers that demand error correction and scalable memory capacity.

General Virtualization
Populate all memory channels symmetrically with these 4 GB RDIMMs to maximize bandwidth for multi-VM workloads. In a dual-socket server with three channels per CPU, six modules provide 24 GB—sufficient for light consolidation—while twelve modules (48 GB) accommodate moderate host densities. The 1.35 V low-voltage design helps contain power and cooling costs in virtualized clusters.

In-Memory Database
Fill every available slot with identical 4 GB modules to achieve the largest supported capacity. Because these are dual-rank x8 DIMMs, install only one DIMM per channel at the full 1333 MT/s for the lowest latency; populating two per channel often forces a speed downgrade. A dual-socket platform with 24 slots can deliver 96 GB, and 32 modules across two robust sockets can reach 128 GB for larger datasets.

High Performance Computing (HPC)
For bandwidth-bound HPC codes, deploy one of these low-voltage RDIMMs per populated channel to sustain peak throughput with minimal power draw. The VLP form factor is ideal for dense blade or 1U nodes where component height restricts airflow. Maintain identical DIMM counts across sockets and enable NUMA interleaving to balance memory access across the entire cluster node.

Verified Compatibility

Tested compatible with Dell PowerEdge R720, HP DL380p Gen8, IBM x3550 M4, and more.

FAQ