General

Engineer's Note

This 64 GB DDR3-1600 registered ECC CDIMM (PC3-12800) with a quad-rank x4 organization is purpose‑built for IBM Power Systems and other mission‑critical servers running memory‑intensive workloads such as in‑memory databases and large‑scale virtualization. Its registered signal topology stabilizes multi‑DIMM channels at 1.5 V, while the integrated ECC and the dense 276‑pin CDIMM form factor safeguard data integrity in environments that cannot tolerate downtime.

Technical Specs & Insights

1. Substantial per-module density minimizes slot utilization, freeing headroom for future scaling in virtualized data centers.
2. Error‑correcting code protection safeguards against single‑bit data corruption, vital for financial transactions and long‑running analytics.
3. Registered buffering stabilizes command and address signals, enabling highly populated memory channels without compromising system reliability.
4. Swift data transfer rates maximize memory bandwidth, accelerating in‑memory databases and real‑time applications under heavy query loads.
5. Quad‑rank x4 architecture increases rank density while the x4 device width enhances error resilience, balancing capacity and uptime for consolidated workloads.

Why These Specs Matter

This 64GB DDR3-1600 Registered ECC CDIMM is built for mission-critical servers. For IT architects managing dense virtualization clusters, a single undetected memory error can crash dozens of VMs. ECC corrects single-bit flips from background radiation, safeguarding data integrity and preventing silent corruption that leads to costly downtime—directly meaning assured business continuity. Registered buffering stabilizes the memory bus when populating multiple DIMMs per channel, so you can install four of these modules for 256GB or more without signal degradation or speed penalty, essential for running many consolidated workloads. Quad-rank x4 construction combined with the 64GB density tackles in-memory databases like SAP HANA or Redis. It provides the massive footprint to hold entire datasets in RAM and supports advanced chipkill correction to survive multi-bit failures, ensuring transactional accuracy and real-time analytics run flawlessly. This module turns your existing DDR3 infrastructure into a stable, high-capacity platform, keeping latency low under peak load.

Endurance & Reliability

General Virtualization
For dense server consolidation, populate each memory channel with one 64GB Registered DIMM to balance capacity and bandwidth. A dual-socket platform can comfortably reach 512GB or 1TB using eight or sixteen modules, supporting high VM density without excessive NUMA overhead. Always distribute modules evenly across CPUs to maintain symmetric memory access.

In-Memory Database
Capacity-hungry in-memory databases demand the largest possible RAM footprint. Leverage this 64GB Quad-Rank RDIMM to build configurations beyond 1TB per node, maximizing data residency in RAM. Be aware that populating all slots with Quad-Rank DIMMs often forces lower memory speeds; where latency is critical, benchmark trade-offs between raw capacity and frequency, and ensure proper cooling for fully loaded banks.

High-Performance Computing
HPC workloads prioritize memory bandwidth for large-scale parallel simulations. Install this 64GB module in a balanced configuration across all memory channels, matching module count per CPU to sustain peak throughput. Quad-Rank x4 organization delivers substantial capacity per channel, but verify platform specifications—some systems may throttle clock speeds with multiple Quad-Rank DIMMs, so optimize for the target workload’s bandwidth sensitivity.

Verified Compatibility

Rigorously tested server memory, validated for IBM Power S822L, S824, S812L and more.

FAQ