General

Engineer's Note

Designed for server environments, this Samsung M393B5270DH0-CK0 DDR3-1600 registered ECC RDIMM ensures data integrity and system stability in virtualized workloads and memory-intensive databases. Its single-rank x4 configuration reduces electrical loading on the memory bus, while the 11-11-11 latency and 1.5V operation deliver reliable, energy-conscious performance for 24/7 enterprise operations.

Technical Specs & Insights

1. ECC protection automatically corrects single-bit memory errors, safeguarding data integrity for mission-critical databases and non-stop financial transaction processing.
2. Registered buffering stabilizes address and command signals across fully populated memory channels, essential for maintaining uptime in large multi-socket server deployments.
3. Single Rank x4 configuration minimizes electrical loading on the memory bus, enabling higher per-channel module counts and cooler operation inside dense blade server chassis.
4. 1600 MT/s throughput accelerates in-memory analytics and live virtual machine migration, reducing latency spikes during peak workload consolidation.
5. A 4 GB capacity provides a solid foundation for entry-level virtualization or dedicated caching tiers, maximizing workload density per rack without straining the power envelope.

Why These Specs Matter

The Samsung M393B5270DH0-CK0 is a server-grade DDR3 Registered DIMM built for environments where every bit of data integrity and uptime counts. Its four core attributes directly solve the real-world challenges faced by IT architects. The ECC engine actively detects and corrects single-bit errors that naturally occur due to background radiation, preventing silent data corruption that would otherwise crash hypervisors or poison financial transactions in a virtualized cluster running dozens of VMs. The registered buffer re-drives address and command signals, decoupling the memory controller from massive electrical loads; this means you can fully populate all 24 DIMM slots without signal degradation—essential for in-memory databases like SAP HANA that demand hundreds of gigabytes of stable capacity. Operating at 1600MHz with a CL11 latency, the module delivers responsive bandwidth that accelerates query processing and real-time analytics. Its single-rank x4 organization enhances memory interleaving at the controller level, reducing access conflicts when multiple virtual machines compete for shared resources. This combination gives you a memory foundation that eliminates random reboots, guarantees transactional accuracy, and sustains performance under the harshest data center workloads, making it a non-negotiable building block for high-availability infrastructure.

Endurance & Reliability

Server Memory Identified: This is a DDR3 Registered ECC DIMM (RDIMM), designed for server-class stability and data integrity, not for desktop or laptop use.

General Virtualization
For multi-VM hosts, populate all memory channels symmetrically to maximize bandwidth. Start with six or eight identical 4GB RDIMMs (24–32GB total) to balance cost and density per core. Scale by adding identical kits to avoid mixing ranks and latencies.

In-Memory Database
These workloads demand low latency and high capacity. Install the maximum supported number of identical 4GB RDIMMs across all channels—often 8 or 12 modules for 32–48GB. Use single-rank DIMMs for faster access, and strictly maintain ECC to prevent data corruption in cache-heavy operations.

High-Performance Computing
HPC nodes require maximum memory throughput. Fully populate each memory channel with one DIMM per channel, typically 8 or 12 modules of 4GB (32–48GB). Match DIMM rank and CAS latency (CL11) across channels to avoid clock penalties, ensuring consistent performance in massively parallel jobs.

Verified Compatibility

Rigorously tested server memory, compatible with Dell PowerEdge R720, R620, HP DL380p Gen8, and similar platforms.

FAQ