General

Engineer's Note

This DDR3-1600 Registered ECC module is purpose-built for server platforms, where the registered signal type buffers command and address lines to maintain stability in high-density configurations and the ECC actively corrects single-bit errors for data integrity. Its dual-rank x4 organization maximizes bank-level parallelism, making it an optimal fit for virtualization clusters and memory-intensive database workloads that demand reliable, sustained throughput.

Technical Specs & Insights

1. 8 GB capacity per module builds a balanced memory foundation for entry-level virtualization hosts, letting you run multiple light VMs without over-investing in surplus resources.
2. ECC error correction silently detects and repairs single-bit faults, the indispensable safety net that protects financial, scientific, and database transactions from silent data corruption.
3. Registered signal buffering decouples the command/address lines from the memory controller, allowing all DIMM slots to be populated without signal degradation and ensuring stability in multi-socket server deployments.
4. Dual Rank x4 organization interleaves accesses across twice the internal banks, sustaining higher effective bandwidth that keeps latency-critical enterprise applications responsive under consolidation pressure.
5. 1600 MHz operation delivers PC3-12800 peak throughput per channel, smoothly absorbing traffic spikes in web servers and mid-range storage arrays while preserving reliable synchronous operation.

Why These Specs Matter

The Samsung M393B1K70DH0-CK0Q8 is an 8GB DDR3-1600 registered ECC RDIMM engineered for enterprise servers where uptime and accuracy are non-negotiable. Its four defining characteristics directly address the real pain points of data center operators.

The registered signal buffer tackles the scaling dilemma head-on: in a virtualized cluster running two dozen VMs on a single host, you need dense memory configurations without destabilizing the command bus. This module’s registered architecture enables the board to populate all 24 DIMM slots reliably, ensuring your hypervisor never drops a critical I/O request due to signal reflection.

ECC error correction is your silent guardian against silent data corruption. Imagine an in-memory financial trading database where a single bit flip from cosmic radiation could alter a transaction value. The on-die ECC engine detects and corrects single-bit errors in real time, preserving ledger integrity and saving you from costly auditing nightmares.

Finally, the dual-rank x4 organization and 1600MHz frequency deliver the nuanced bandwidth in-memory databases crave. Dual rank interleaving keeps the data pipeline saturated during heavy Redis or SAP HANA read-modify-write cycles, cutting access latency without throttling clock cycles. Coupled with a modest 1.5V operating voltage, it generates less heat in dense 1U rack nodes, reducing your cooling overhead while maintaining the consistent CL11 latency that batch processing and real-time analytics depend on minute after minute. This is not just a component; it is your insurance policy for performance and trust.

Endurance & Reliability

Server Memory Identification

This module is a server-class DDR3-1600 Registered DIMM (RDIMM) with ECC, operating at 1.5V. It is designed for platforms requiring data integrity, high capacity, and stable multi-module configurations.

General Virtualization
Populate memory channels symmetrically to match the server’s channel architecture, typically using six or eight identical 8GB RDIMMs for 48–64GB base configurations. This ensures balanced bandwidth for a moderate density of virtual machines. Scale by doubling kits per channel to 128GB or more as VM demands grow.

In-Memory Database
Maximize capacity by fully populating all available DIMM slots with these 8GB modules, targeting 256GB or higher on dual-socket systems. ECC and registered signaling provide the fault tolerance essential for caching and real-time analytics. Use uniform dual-rank modules to enable memory interleaving and reduce latency.

High-Performance Computing (HPC)
Install modules in equal counts per processor to maintain NUMA node balance, commonly achieving 128GB–256GB per node. Dual-rank x4 organization and CL11 timing offer a favorable balance of bandwidth and latency for parallel simulation tasks. Configure all memory channels identically to sustain peak throughput during sustained computational loads.

Verified Compatibility

Rigorously tested for compatibility with Dell PowerEdge R720, HP ProLiant DL380p Gen8, and Lenovo ThinkServer RD630.

FAQ