General

Engineer's Note

This 16GB DDR4-2133 RDIMM with ECC and Registered signaling is specifically engineered for server platforms, delivering reliable performance for virtualization, in-memory databases, and mission-critical workloads where data integrity is non-negotiable. Its dual-rank x4 organization improves signal loading and memory bandwidth efficiency, while the CL15 latency and 1.2V operating voltage ensure responsive data access and thermal efficiency in dense rack deployments.

Technical Specs & Insights

1. The registered DIMM architecture buffers command and address lines, ensuring reliable signal integrity when all server memory channels are fully populated with multiple modules per channel.
2. ECC protection transparently corrects single-bit errors in real time, preventing silent data corruption in transactional databases and virtualized financial services.
3. Dual Rank x4 arrangement interleaves internal memory banks to sustain high bandwidth, which becomes critical as virtual machine density per host continues to grow.
4. 16 GB capacity per module provides the density needed to provision moderate enterprise workloads, enabling a single socket to comfortably host a mix of containerized applications.
5. DDR4-2133 with PC4-17000 bandwidth delivers a steady 17 GB/s per channel, keeping latency-critical services responsive during peak concurrent access across clustered nodes.

Why These Specs Matter

Tailored for demanding data center environments, this 16GB DDR4 RDIMM is purpose-built to eliminate the silent killers of server reliability. The integrated ECC technology actively detects and corrects single-bit memory errors caused by background radiation or electrical noise. In a large virtualization cluster running dozens of VMs, an uncorrected bit flip can crash a critical guest or silently corrupt transactional data—ECC transforms that catastrophic risk into a nonevent, ensuring round-the-clock integrity for your consolidated workloads.

Registered signal buffering redefines what stability means at scale. As you populate all memory channels in a 2U rack server, electrical loading skyrockets; the on-DIMM register isolates the command and address bus, enabling the platform to support full population without signal degradation. This directly translates to seamless capacity expansion for memory-hungry in-memory databases like SAP HANA or Redis clusters, where mid-tier instability during peak query loads is simply unacceptable.

The dual-rank x4 organization further amplifies performance through interleaved access, delivering higher sustained bandwidth under parallel data streams. Combined with a low 1.2V operating voltage that curbs thermal buildup in dense multi-node deployments, every watt saved per DIMM compounds into meaningful reductions in cooling overhead and energy cost across your fleet. This module balances error resilience, massive capacity scalability, and energy-conscious design, providing a bedrock you can trust for modern virtualized and data-intensive infrastructure.

Endurance & Reliability

General Virtualization
For a hypervisor hosting multiple VMs, capacity is king. With these 16 GB RDIMMs, populate all available channels equally (e.g., 8 identical modules for an 8-channel server) to maximize memory bandwidth and total capacity. This balanced configuration enables more VMs per host and avoids NUMA node imbalances, making 128 GB a solid baseline for a mid‑density virtualization host.

In‑Memory Database
In‑memory databases like Redis or SAP HANA demand both high capacity and fault‑tolerance. Use multiple of these ECC Registered modules to build a large, reliable memory pool—64 GB to 256 GB is common for moderate workloads. Always install modules in identical sets (same rank, speed, and size) to guarantee consistent latency and error correction across the entire dataset.

High‑Performance Computing
HPC applications thrive on raw memory bandwidth. Deploy these dual‑rank x4 RDIMMs in a fully‑populated, balanced memory configuration (one DIMM per channel initially, then a second matching DIMM per channel if needed) to saturate the CPU’s memory controllers. For cluster nodes, a total of 64 GB or 128 GB using these modules yields excellent bandwidth density per core, which is crucial for simulation and modeling jobs.

Verified Compatibility

Rigorously tested, compatible with Dell R740, HPE DL380 Gen10, Lenovo SR650, Cisco C220 M5.

FAQ