General

Engineer's Note

Designed for server platforms, this 32GB DDR4-2666 RDIMM with ECC and registered signal type ensures data integrity in memory-intensive workloads such as virtualization and in-memory databases. Its dual-rank x4 configuration and CL19 latency deliver stable, high-capacity throughput for enterprise-class deployments requiring relentless uptime.

Technical Specs & Insights

1. A generous memory footprint accommodates extensive virtual machine consolidation, enabling higher density per server without expanding the physical hardware footprint.
2. Integrated error correction automatically detects and corrects bit flips, safeguarding transactional data integrity in around-the-clock enterprise operations.
3. The registered buffer stabilizes command and address signals, allowing multiple modules to coexist on the same channel for massive, reliable memory scaling.
4. This speed grade supplies the sustained memory bandwidth that in-memory databases and real-time analytics engines depend on for smooth, low-latency throughput.
5. Dual-rank interleaving maximizes channel utilization by pipelining access across internal banks, directly boosting responsiveness in heavily consolidated virtualization hosts.

Why These Specs Matter

This is a server-grade RDIMM engineered for data centers and enterprise workloads, where reliability and scalability are absolute necessities. With ECC, it actively detects and corrects single-bit memory errors that can silently corrupt financial transactions or in-memory database entries—imagine running SAP HANA or an in-memory analytics platform, and a stray cosmic ray flips a bit in a customer record. ECC turns that potential data catastrophe into a non-event, preserving transactional integrity without service interruption. The registered signal type buffers the command and address lines, stabilizing electrical loads so a single server can accommodate multiple DIMMs per channel. In a dense virtualization cluster hosting dozens of VMs, this means you can confidently populate high-capacity memory configurations without sacrificing signal integrity, boosting VM density and reducing costly server sprawl. Its dual-rank x4 organization further enhances performance through rank interleaving: while one rank executes a read or write, the other precharges, overlapping operations to deliver higher sustained bandwidth. For a real-time database responding to thousands of concurrent queries, this translates directly into lower latency retrieval and smoother throughput under peak loads. Operating at 1.2V, the module also helps rein in power and cooling demands across entire rack deployments, cutting both opex and thermal stress—vital for 24/7 operations where every watt and degree matters.

Endurance & Reliability

This 32GB DDR4-2666 ECC Registered RDIMM is server memory.

General Virtualization
Equip each memory channel with one 32GB RDIMM. On a modern dual‑socket server with six channels per CPU, 12 identical modules deliver 384GB at full 2666MT/s, comfortably hosting 30–50 VMs. When density outweighs peak speed, double the population to 24 DIMMs (768GB) and accept a possible step-down to 2400MT/s.

In-Memory Database
Use one DIMM per channel (12 modules, 384GB) to sustain 2666MHz and CL19 for latency‑critical platforms like Redis or SAP HANA. For capacity‑driven workloads, populate all 24 slots (768GB) with NUMA interleaving; the memory speed may fall to 2400MT/s, but the enlarged in‑memory footprint dramatically reduces disk I/O.

High-Performance Computing (HPC)
Bandwidth‑hungry simulations demand full channel population. Install one dual‑rank 32GB RDIMM in each of the 12 slots, yielding 384GB at 2666MT/s with optimal interleaving. Avoid a second DIMM per channel—the resulting frequency throttling hurts floating‑point throughput—and instead scale horizontally across nodes.

Verified Compatibility

Rigorously tested, this 32GB DDR4-2666 RDIMM is compatible with Dell PowerEdge R740, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650.

FAQ