General

Engineer's Note

This 16GB DDR3L-1600 Registered ECC RDIMM (Dual Rank x4) is purpose‑built for enterprise servers handling virtualization and in‑memory databases, where uncompromised data integrity is critical. Its registered signal buffering and dual‑rank interleaving ensure stable operation under heavy load, while hardware ECC correction and the low 1.35 V supply jointly reduce error risks and power overhead in dense rack deployments.

Technical Specs & Insights

1. Error-correcting code protection detects and corrects single-bit memory faults, preventing silent data corruption in critical enterprise applications like OLTP and virtualization.
2. Registered logic buffers commands and addresses, ensuring signal integrity across fully populated server memory slots for stable operation at scale.
3. High-density modules expand total memory footprint, empowering dense virtualization and in-memory analytics without compromising per-slot capacity limits.
4. Low voltage operation lowers thermal envelope in dense server deployments, reducing cooling overhead and operational energy costs in the data center.
5. Dual-rank x4 configuration drives interleaved bank accesses to maximize sustained bandwidth, while the x4 DRAM interface strengthens ECC protectability for robust data integrity.

Why These Specs Matter

Designed specifically for server and data center environments, the Samsung M392B2G70DM0-YK0Q4 is a 16GB DDR3 RDIMM that transforms how your infrastructure handles mission-critical workloads. Its four key characteristics directly address the real-world pain points of IT administrators managing virtualization clusters and memory-intensive databases.

The integrated ECC technology continuously detects and corrects single-bit memory errors, preventing silent data corruption that could crash a hypervisor hosting dozens of virtual machines or quietly poison financial transaction records in an in-memory database like Redis. Registered buffering re-drives address and command signals, stabilizing signal integrity when all 24 DIMM slots per server are populated. This reliability means you can confidently scale to 384GB or more without random reboots under heavy load. Operating at 1.35V, this low-voltage DDR3L module significantly reduces thermal output and power draw across a fleet of servers, cutting cooling costs in tightly packed racks while maintaining the 1600MHz speed. The dual-rank x4 organization maximizes internal bandwidth, delivering higher sustained throughput for concurrent queries in virtualized environments where multiple VMs compete for memory access. For your business, this translates into fewer hardware failures, lower TCO, and predictable performance when running SAP HANA, VMware vSphere, or large-scale OLTP databases around the clock.

Endurance & Reliability

The M392B2G70DM0 is a 16 GB DDR3L Registered ECC RDIMM intended for server platforms. Below are capacity planning recommendations for typical server workloads.

General Virtualization
Deploy groups of eight identical modules (128 GB total) spread evenly across all memory channels. This balances capacity and memory bandwidth for moderate VM density while the 1.35 V operation reduces power draw in dense clusters. Always populate channels symmetrically to avoid performance penalties.

In-Memory Database
Maximise both capacity and rank interleaving by fully populating every DIMM slot with these dual‑rank RDIMMs. For large datasets, this yields the highest usable memory; avoid memory mirroring unless uptime demands it, as mirroring halves effective capacity. Enable sparing mode only when critical fault tolerance is required.

High Performance Computing
Install one DIMM per channel (commonly eight modules) to sustain the full DDR3‑1600 transfer rate without the clock reduction that occurs with two DIMMs per channel. This configuration delivers peak bandwidth for parallel workloads. Add a second DIMM per channel only when per‑node capacity must exceed 128 GB, while accepting a speed drop to 1333 MHz or lower.

Verified Compatibility

Proven compatible after strict testing with Dell PowerEdge R720, R620, HP DL380p Gen8, Lenovo RD430, and more.

FAQ