General

Engineer's Note

This DDR3-1600 Registered ECC RDIMM is engineered for server platforms, delivering reliable data integrity and stability for virtualization, in-memory databases, and mission-critical enterprise workloads. Its dual-rank x4 configuration and registered signaling ensure high-capacity scalability with reduced electrical loading, while ECC correction guards against single-bit errors in demanding 24/7 environments.

Technical Specs & Insights

1. Registered DIMM technology reduces electrical load on the memory controller, enabling high-density server configurations without compromising stability.
2. ECC memory actively corrects single-bit errors, preserving data integrity for long-running enterprise workloads and preventing costly downtime.
3. Dual Rank x4 organization interleaves data across ranks to saturate memory channels, enhancing throughput for virtualized and multi-tenant environments.
4. Generous module capacity allows consolidation of more virtual machines per physical server, optimizing data center footprint and operational costs.
5. Ample memory bandwidth from its speed grade accelerates data-intensive tasks such as large-scale databases and real-time analytics.

Why These Specs Matter

The Samsung M393B2G70BH0-CK0 is a 16GB DDR3-1600 registered DIMM purpose-built for server environments where uptime and data fidelity are non-negotiable. In a virtualized cluster hosting dozens of VMs, a single undetected memory bit-flip can corrupt a database transaction or crash the hypervisor. This module’s ECC engine automatically corrects single-bit errors and detects multi-bit faults, transforming random soft errors into non-events and safeguarding your virtual infrastructure around the clock. Its registered architecture buffers the command and address lines, which stabilizes signal integrity when you fully populate all 24 DIMM slots. That means you can confidently scale to 384GB or more for dense consolidation without the instability that would plague unbuffered memory. For in-memory databases like Redis or SAP HANA, where response times hinge on instantaneous lookups, the dual-rank x4 organization makes a tangible difference. By presenting more independent bank groups, it enables aggressive bank-level parallelism, sustaining higher bandwidth under heavy concurrent access than single-rank alternatives. The resulting smoother throughput directly accelerates real-time analytics and transactional workloads. Together with a 1600MT/s transfer rate, this RDIMM gives you a cost-effective path to extend the life of legacy servers while delivering the reliability and performance that critical enterprise applications demand.

Endurance & Reliability

General Virtualization
For a typical virtualization host, populate all available memory channels with identical 16 GB DDR3‑1600 RDIMMs to enable interleaving and maximize bandwidth. A common configuration uses eight modules (128 GB total) on a dual‑socket board, comfortably supporting dozens of mixed‑workload VMs. The ECC Registered design safeguards guest data integrity in shared, always‑on environments.

In‑Memory Database
In‑memory databases demand both capacity and signal stability. Deploy the maximum supported number of 16 GB RDIMMs across all channels—often 256 GB or more—to keep entire datasets in RAM. The Dual Rank x4 organization and 1.5 V ECC operation provide reliable, low‑latency access even under sustained heavy loads, preventing silent data corruption.

High‑Performance Computing (HPC)
HPC nodes require balanced memory bandwidth per core. Install one 16 GB RDIMM per channel (typically eight modules for 128 GB on a dual‑socket server) to achieve full interleaving and peak throughput. ECC registration is critical for long‑running simulations, ensuring that large‑scale calculations complete without bit‑error induced failures.

Verified Compatibility

This server memory has been rigorously tested and is compatible with Dell PowerEdge R720, HP ProLiant DL380p Gen8, and more.

FAQ