General

Engineer's Note

This Samsung 8GB DDR3-1600 RDIMM (M393B1K70DH0-CK009) is a server-class module engineered for virtualization, in-memory databases, and data-critical enterprise workloads. The Registered ECC design with dual-rank x4 organization ensures stable command/address signaling under heavy load and provides seamless error correction, while the interleaved dual-rank access elevates memory parallelism for sustained throughput in dense multi-processor servers.

Technical Specs & Insights

1. The modest capacity serves as a cost-effective building block, allowing IT architects to scale memory incrementally for containerized microservices without overspending on idle resources.
2. Its balanced operating frequency delivers consistent data throughput, preventing I/O bottlenecks that would otherwise stall simultaneous user requests on a shared enterprise platform.
3. ECC actively corrects single-bit errors and detects multi-bit corruption, ensuring transactional accuracy and long-running computational integrity in database and analytics clusters.
4. The registered buffer architecture isolates electrical loads, enabling fully populated server racks to maintain signal stability and reliable operation across large memory arrays.
5. Dual-rank organization leverages rank interleaving to amplify command pipeline efficiency, reducing access latency for hypervisors juggling numerous concurrent virtual machines.

Why These Specs Matter

Based on the RDIMM genre, registered signal type, and ECC capability, the Samsung M393B1K70DH0-CK009 is unmistakably a server-grade memory module. Its four core engineering features—ECC error correction, a registered buffer, dual-rank x4 organization, and a 1600MHz clock—are designed directly around the unforgiving reality of data-center workloads. In a virtualized cluster, where a single undetected bit flip can silently corrupt a hypervisor and cascade into multi-VM outages, the on-die ECC engine catches and corrects those errors in flight, preserving service continuity for your entire stack. The registered buffer then re-drives command and address signals so you can populate all 24 DIMM slots without signal degradation, giving you the massive, stable footprint that dense consolidation demands. Meanwhile, the dual-rank x4 layout leverages internal bank interleaving to keep the data pipeline saturated, slashing query latency for in-memory databases like SAP HANA or Redis that live and die by microsecond response. Delivering a solid 12.8 GB/s at a standard 1.5V, this module isn’t just a component; it’s a decisive answer to silent data corruption, platform instability during scaling, and transaction-crippling bottlenecks in always-on enterprise environments.

Endurance & Reliability

This Samsung M393B1K70DH0 DDR3-1600 8GB ECC Registered DIMM is designed for server platforms. Its RDIMM buffer and error-correction are essential for reliability in data-center workloads. Below are capacity planning guidelines for common scenarios.

General Virtualization
In a typical dual-socket server, populate two 8GB DIMMs per memory channel to obtain 128 GB (with 16 modules). This configuration offers a sweet spot of capacity and performance, as most hypervisors need substantial headroom for VMs.

In-Memory Database
For in-memory databases, fill all available DIMM slots with these 8 GB RDIMMs—up to 24 modules (192 GB) in a common 2-socket system—to cache entire datasets. Balanced channel population ensures maximum interleaving and low latency.

HPC (High Performance Computing)
For peak bandwidth, use one 8 GB DIMM per channel (1DPC) to sustain 1600 MHz. In a dual-socket system with four channels per CPU, install 8 modules (64 GB) for maximum throughput. When capacity exceeds 64 GB, adding a second DIMM per channel delivers 128 GB but forces a speed reduction to 1333 MHz.

Verified Compatibility

Tested rigorously for compatibility with servers including Dell PowerEdge R720, R620, HP ProLiant DL380p Gen8, and Supermicro X9 systems.

FAQ