General

Engineer's Note

This server-grade DDR3L VLP RDIMM is purpose-built for space-constrained hyperscale and virtualization platforms where data integrity and high memory density are non-negotiable. Its dual-rank x4 configuration with CAS 9 latency and registered ECC signaling delivers reliable 1.35 V operation, effectively suppressing signal noise and enabling consistent performance in memory-intensive workloads such as in-memory databases and heavy VM consolidation.

Technical Specs & Insights

1. Registered signal type buffers commands and addresses, stabilizing signal integrity across fully loaded server memory channels to support large-scale RAM configurations without data corruption risks.
2. ECC error correction continuously detects and fixes single-bit memory errors in real time, preserving critical transaction accuracy in financial and database systems where downtime is unacceptable.
3. Dual Rank x4 design interleaves memory accesses within each channel, maximizing sustained bandwidth for virtualized environments running multiple demanding instances simultaneously.
4. 1.35V low-voltage operation significantly reduces per-module power draw, lowering aggregate cooling costs and improving energy efficiency in dense data center racks.
5. 16GB capacity per module provides an ideal density building block for virtualization hosts, enabling more concurrent VMs per server without exceeding typical memory slot constraints.

Why These Specs Matter

When you rely on virtualization clusters and in-memory databases, the M392B2G70BM0-YH908 server memory transforms risk into resilience. Its ECC technology continuously detects and corrects single-bit errors that naturally occur at scale, preventing silent data corruption from creeping into dozens of virtual machines or a Redis instance where a flipped bit could poison critical transaction records. The registered buffer reclocks command and address signals, making it possible to fully populate large memory banks without signal degradation; this directly supports higher VM density and stable operation under heavy consolidation workloads. Deployed in dense 1U or blade enclosures, the very low profile physical design fits constrained DIMM slots while maintaining clean airflow, actively fighting thermal throttling that would otherwise steal performance in a packed rack. The 1.35V low-voltage operation drives power savings and cuts heat output hour after hour, shrinking your cooling bills in always‑on environments. For an in‑memory database, the dual‑rank x4 organization also boosts effective bandwidth through bank interleaving, accelerating query throughput while ECC guards every transaction. This memory module turns integrity, density, and efficiency from data‑center pain points into operational confidence.

Endurance & Reliability

Capacity Planning Guide for Server DDR3 ECC Registered Memory

This Samsung M392B2G70BM0 (16GB DDR3-1333 CL9 VLP RDIMM) is a server-class memory module featuring ECC and registered buffering, suited for enterprise platforms that demand data integrity and high memory scalability. Below are configuration recommendations for typical server workloads.

General Virtualization
Virtualization hosts thrive on ample RAM to run multiple VMs concurrently. Populate all available channels with identical 16GB RDIMMs to balance capacity and cost – a dual-socket server with triple-channel architecture can achieve 96 GB (6x16 GB) or 192 GB (12x16 GB). Enable memory interleaving for optimal throughput, and leave headroom for failover and vMotion operations.

In-Memory Database
In-memory databases require low latency and maximum capacity to keep working sets resident. Deploy the largest supported number of these dual-rank modules per channel (e.g., 24x16 GB for 384 GB total) while respecting platform population limits. Ensure 1.35V low-voltage operation to reduce thermal stress in fully-loaded systems, and validate symmetric DIMM placement across CPU sockets to avoid NUMA penalties.

High-Performance Computing (HPC)
HPC applications favour balanced memory bandwidth and capacity per core. Use a full-channel population strategy – all three or four channels per socket filled identically – to maximize aggregate bandwidth. For capacity-driven workloads, configure each node with 64–128 GB (4 or 8 modules per socket) using these low-profile RDIMMs to maintain proper airflow in dense cluster chassis.

Verified Compatibility

Rigorously tested server memory compatible with Dell PowerEdge R720, HP ProLiant DL380p Gen8, Lenovo ThinkServer RD530.

FAQ