General

Engineer's Note

Designed as a VLP RDIMM with ECC and registered signalling, this DDR3-1600 module is a server-grade component optimized for dense virtualization clusters and in-memory databases where data integrity and high signal stability are critical. Its single-rank x4 configuration and very low-profile form factor ensure reliable operation and improved airflow in 1U rack servers, while delivering the low latency and power efficiency required for sustained 24/7 workloads.

Technical Specs & Insights

1. ECC protection actively detects and corrects single-bit data corruption, preserving transactional accuracy in financial databases and virtualization hosts.
2. Registered buffering re-drives address and command signals across heavily loaded multi-DIMM channels, enabling reliable server scaling to terabyte-level memory footprints.
3. VLP RDIMM form factor reduces module height to fit ultra-slim 1U rack and blade servers, preventing airflow blockage that could lead to thermal throttling in dense clusters.
4. Single Rank x4 organization uses x4 DRAM devices to maximize per-rank error containment while delivering predictable latency for latency-sensitive scale-out workloads.
5. 1600MHz data rate provides a balanced 12.8 GB/s bandwidth per DIMM, maintaining smooth data feeds for hypervisors juggling moderate numbers of guest VMs.

Why These Specs Matter

The Samsung M392B5270DH0-CK0 is a server-class DDR3 VLP RDIMM engineered to solve real-world data center challenges. Its ECC technology actively detects and corrects single-bit errors, which is a mission-critical safeguard when you run in-memory databases like Redis or virtualized SQL clusters—without it, silent data corruption could ripple into financial discrepancies or application outages. The registered buffer design re-drives address and command signals, letting you populate all memory channels stably at high capacities. For a virtualization host consolidating dozens of VMs, this means you can confidently scale to 512 GB and beyond without random boot failures or memory training errors under heavy load. The Very Low Profile form factor, at just 18.75 mm tall, liberates airflow in dense 1U and blade servers, directly preventing thermal throttling during sustained OLAP or large-scale caching workloads. Finally, the single-rank x4 organization at DDR3-1600 with CL11 timing provides a balanced mix of bandwidth and command-rate efficiency, reducing memory-access latency in high-concurrency virtualization I/O and real-time analytics. This module translates technical specifications into cleaner uptime, denser packaging, and predictable performance when your business depends on it.

Endurance & Reliability

General Virtualization
For dense VM hosting, this 4GB DDR3-1600 VLP RDIMM allows high module counts in 1U/2U chassis. Deploy 12–24 identical modules (48–96GB) across all memory channels to maximize consolidation ratios while ECC guards against soft errors in multi-tenant environments.

In-Memory Database
Single-rank x4 4GB modules at 1600MHz suit mid-scale in-memory workloads. Populate three DIMMs per channel (e.g., 18 units for 72GB) in a dual-socket server to balance capacity and latency. Stick to homogeneous ranks per channel to avoid performance penalties; consider moving to higher-density LRDIMMs if datasets exceed 384GB.

High-Performance Computing (HPC)
The registered ECC design makes this module ideal for simulation clusters where data integrity is critical. Configure balanced channel populations (8–16 DIMMs per node) for 32–64GB per CPU. The 11-11-11 latency and 1600MT/s speed provide predictable bandwidth; pair with identical modules to prevent clock-down, and leverage the VLP form factor for improved airflow in dense HPC racks.

Verified Compatibility

Rigorously tested for compatibility with Dell PowerEdge R720, HP DL380p Gen8, and more server platforms.

FAQ