General

Engineer's Note

This 16GB DDR3-1866 Registered ECC RDIMM, with its dual-rank x4 organization and CL13 latency, is engineered for server platforms running memory-intensive workloads such as virtualization and in-memory databases, where signal integrity and data reliability are paramount. The registered buffer reduces electrical load on the memory controller for stable operation at 1866MHz, while ECC actively corrects single-bit errors to prevent downtime in mission-critical environments.

Technical Specs & Insights

1. ECC protection actively detects and corrects single-bit memory errors, preventing silent data corruption in mission-critical enterprise databases and financial transaction logs.
2. Registered signal buffering stabilizes electrical loads across densely populated server boards, enabling reliable operation with fully populated memory channels under 24/7 uptime demands.
3. Sixteen-gigabyte capacity per module allows higher memory density per server node, directly expanding the number of virtual machines that can be consolidated without oversubscribing resources.
4. Dual Rank x4 organization interleaves accesses across internal banks, sustaining peak bandwidth efficiency for large in-memory analytics and content delivery workloads.
5. Operating at eighteen-sixty-six megahertz data rate, the module elevates effective throughput, accelerating real-time data processing and reducing latency in heavily virtualized environments.

Why These Specs Matter

The Micron MT36JSF2G72PZ-1G9E1 is a 16 GB DDR3-1866 RDIMM purpose‑built for enterprise servers where data integrity and scalability are non‑negotiable. Its ECC silently corrects single‑bit errors caused by cosmic radiation—vital in dense virtualization clusters, because an uncorrected flip can corrupt a hypervisor’s memory space and cascade into multiple VM failures. The registered buffer sharply reduces electrical load, letting you populate 24 DIMM slots per host to reach 384 GB or more; for in‑memory databases like Redis or SAP HANA, this means drastically larger hot datasets and sub‑millisecond access without disk spillover. Dual‑rank x4 organization enables bank interleaving, sustaining near‑peak bandwidth when dozens of virtual machines or database threads compete for memory. Finally, the 1866 MT/s speed with CL13 latency delivers 14.9 GB/s throughput, accelerating real‑time analytics and transaction processing where microseconds matter. Every engineering choice here directly strengthens uptime, response consistency, and scalable density for your mission‑critical workloads.

Endurance & Reliability

General Virtualization
These 16 GB Registered ECC DIMMs safeguard data in generic virtualization. Mount two per channel in a dual-socket machine to accumulate 256 GB, efficiently hosting numerous VMs. While populating two DIMMs per channel triggers a frequency drop to 1600 MHz, the extra headroom for virtual machines far outweighs the minor bandwidth trade-off.

In-Memory Database
In-memory databases demand both speed and volume. Achieve optimal 1866 MHz performance by installing one 16 GB RDIMM per memory channel (1DPC), yielding 128 GB on a dual-socket server with eight channels. Scale to 256 GB with two DIMMs per channel, accepting a speed reduction to 1600 MHz; the ECC protection and Registered signaling are critical for data consistency.

High-Performance Computing (HPC)
For HPC workloads, bandwidth is paramount. Fill all channels with exactly one 16 GB module to sustain the rated 1866 MHz and unlock the full potential of dual-rank x4 DRAM parallelism. This 1DPC approach supplies 128 GB of low-latency ECC memory and eliminates clock throttling, ideal for computational fluid dynamics and finite element analysis.

Verified Compatibility

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

FAQ