General

Engineer's Note

Optimized for high-density server deployments such as virtualization clusters and in-memory databases, this 16GB VLP RDIMM's very low-profile form factor and 1.35V ultra-low voltage enable maximum DIMM clearance in constrained chassis while reducing thermal load and power consumption. Its registered ECC architecture with Dual Rank x4 configuration ensures exceptional signal integrity and real-time error correction, delivering the data reliability and stable performance required for mission-critical enterprise workloads.

Technical Specs & Insights

1. ECC error correction detects and fixes single-bit memory errors in real time, preventing silent data corruption in mission-critical database and virtualization workloads.
2. Registered signal buffering stabilizes high-capacity memory configurations, enabling large-scale server deployments to maintain uptime under heavy simultaneous access.
3. Dual Rank x4 organization interleaves memory banks for increased bandwidth efficiency, boosting virtual machine density without compromising performance.
4. 1.35V low-voltage operation reduces power draw per DIMM, significantly cutting cooling costs in densely packed data center racks over their lifecycle.
5. Very low profile form factor optimizes airflow in blade servers and 1U chassis, preventing thermal throttling that could degrade performance in clustered environments.

Why These Specs Matter

The M392B2G70DM0-YK0 is a 16GB DDR3 VLP RDIMM purpose‑built for server infrastructure, and its four core attributes directly solve the most painful real‑world stability and performance challenges. In dense virtualization clusters, ECC becomes non‑negotiable—it silently corrects single‑bit errors caused by background radiation or voltage noise before they corrupt hypervisor state, preventing random VM crashes that would cascade through your workload. The registered buffer isolates the memory controller from heavy bus loads when all 24 DIMM slots are populated, ensuring reliable operation even as you pack dozens of virtual machines onto a single host. For in‑memory databases like Redis or SAP HANA, the dual‑rank x4 organization interleaves access across rank boundaries, lifting sustained bandwidth and turning the CL11 latency into fast, predictable response during peak transaction spikes. Finally, the Very Low Profile form factor combined with 1.35V low‑voltage operation dramatically cuts power draw and heat inside 1U rack enclosures, preserving thermal headroom and slashing cooling costs without sacrificing the 1600MT/s frequency. In your data center this means hardened data integrity, uncompromised multi‑VM density, and real‑time application performance wrapped in a thermally efficient design that lowers total cost of ownership.

Endurance & Reliability

This 16GB DDR3-1600 ECC Registered VLP RDIMM is built for server deployments; its very low profile suits high-density racks. Its low-voltage operation at 1.35V further improves energy efficiency.

General Virtualization
Balance performance and capacity: install 4–8 modules (64–128GB) in a dual-socket system, populating one dual-rank DIMM per channel for 1600MT/s. This ensures ECC and NUMA stability for light to medium VM loads. Use identical modules across sockets.

In-Memory Database
Capacity is critical. Maximize DIMM population: a dual-CPU server with 12 slots per socket achieves 384GB with 24 modules. Speed derates to 1333MHz, but capacity enables full in-memory caching. Employ sparing or mirroring for availability.

High-Performance Computing (HPC)
Bandwidth is paramount. Equip each channel with a single module to achieve maximum 1600MHz frequency and lowest latency; an eight-channel node uses eight modules (128GB). The 1.35V operation reduces thermal load in dense blade configurations. Symmetrical population yields predictable latency and highest throughput.

Verified Compatibility

Rigorously tested server memory, compatible with Dell PowerEdge R720, HP ProLiant DL380p Gen8, and Lenovo ThinkServer RD430.

FAQ