General

Engineer's Note

This registered ECC DDR3-1600 module is designed for enterprise server platforms, where its dual-rank x8 configuration and error-correcting code deliver the data integrity and signal stability essential for memory-intensive workloads like virtualization and in-memory databases. Operating at 1.5V with CL11 latency, this 240-pin RDIMM ensures reliable buffered performance in multi-DIMM deployments by reducing electrical load on the memory controller.

Technical Specs & Insights

1. ECC protection silently corrects single-bit memory errors, safeguarding transactional data integrity in long-running database and virtualization workloads.
2. Registered signal buffering stabilizes high-density memory configurations, allowing a server to support more DIMMs per channel without compromising command signal quality.
3. DDR3-1600 bandwidth ensures consistent throughput for memory-intensive enterprise applications, preventing bottlenecks in multi-threaded processing.
4. Dual Rank x8 organization leverages rank interleaving to improve sustained memory access efficiency, reducing latency under concurrent VM and container demands.
5. 8 GB capacity per module balances cost and density, enabling a flexible building block for mid-scale server deployments that require reliable expandability.

Why These Specs Matter

The Micron MT18JSF1G72PDZ-1G6E1FE is an 8GB DDR3-1600 server RDIMM whose four core features are engineered for enterprise resilience. ECC is your first line of defense: it corrects single-bit errors caused by cosmic radiation, preventing silent corruption in a virtualized cluster that could crash VMs or distort financial logs. Registered buffering then ensures signal integrity when populating high-density servers; you can confidently fill all 24 DIMM slots to scale an in-memory database like SAP HANA to terabytes without instability. The dual-rank x8 organization employs rank interleaving to boost effective bandwidth, hiding precharge delays and delivering the low, predictable latency that an in-memory cache such as Redis demands under millions of queries per second. Lastly, the 1600 MT/s transfer rate feeds modern multi-core Xeon processors, eliminating memory bottlenecks during heavy virtualization or database operations. This means your critical workloads run with absolute data fidelity, massive scalability, and consistent speed.

Endurance & Reliability

General Virtualization
For moderate-density virtualization hosts, deploy six to eight of these 8 GB registered DIMMs to provision 48–64 GB per socket, populating one DIMM per channel to balance capacity and memory bandwidth. Leverage the ECC and registered signaling to sustain dozens of lightweight VMs with reliable data integrity, and leave half the slots free for future scale-out without replacing existing modules.

In-Memory Database
Build a 128 GB configuration by fully populating an eight-slot server board with sixteen modules (two DIMMs per channel) to maximize capacity for RAM-resident datasets like Redis or SAP HANA. The dual‑rank x8 organization improves bank-level parallelism, lowering latency under heavy transactional loads, but confirm the platform supports mixed rank counts at 1600 MT/s to avoid clock speed downgrades.

High-Performance Computing
For memory-bandwidth-sensitive HPC jobs, install a balanced set of eight modules—one per channel—to sustain peak throughput while reaching 64 GB, ideal for fluid-dynamics or weather models that stream large arrays. The registered ECC buffer stabilizes signal integrity across the 240‑pin bus in dense multi‑node clusters, and the 1.5 V operating voltage helps contain thermal output in rack-dense deployments.

Verified Compatibility

Rigorously tested server RDIMM compatible with Dell R720/R620, HP DL380p Gen8, and Lenovo ThinkServer RD530.

FAQ