General

Engineer's Note

Designed as a server-grade DDR4-2666 Registered DIMM with ECC, this 8GB module is ideal for virtualization platforms and in-memory databases where data integrity is non-negotiable. Its single-rank x8 configuration and CL19 latency ensure balanced signal integrity and thermal efficiency, while the registered interface stabilizes command and address buses for reliable operation in dense, multi-DIMM enterprise servers.

Technical Specs & Insights

1. ECC: On-the-fly error correction safeguards transactional integrity, preventing silent data corruption in database and virtualization workloads.
2. Registered: Buffered command and address signals allow reliable densification across memory channels, maintaining full-speed stability under heavy consolidation.
3. Capacity: Moderately provisioned per-module capacity delivers cost-optimized building blocks for elastic container farms and lightweight cloud instances.
4. Speed: Sustained 2.6 gigatransfers per second deliver responsive throughput for in-memory analytics and low-latency caching under concurrent request pressure.
5. Rank: Single Rank x8 configuration minimizes electrical loading, preserving signal integrity at maximum channel population to sustain cluster-wide uptime.

Why These Specs Matter

Designed for the data center, the Micron MTA9ASF1G72PZ-2G6D1QI is a DDR4-2666 Registered DIMM that directly addresses the critical pain points of IT administrators managing always-on infrastructure. Its ECC technology continuously detects and corrects single-bit memory errors, preventing silent data corruption that can crash a virtualization host running dozens of virtual machines or introduce inaccuracies in an in-memory database like Redis. The registered buffer isolates the memory controller from the electrical load of numerous modules, enabling you to populate all DIMM slots without sacrificing signal integrity—essential for achieving the massive, stable memory footprint hypervisors demand. Operating at 1.2V with a single-rank x8 design, this module also reduces power consumption and thermal output per gigabyte in dense server nodes, while the 2666MHz speed supplies the consistent bandwidth needed to feed modern multi-core processors handling heavy transaction volumes. For your virtualized cluster or database tier, this RDIMM delivers the reliability, robust scalability and energy efficiency that keep business-critical operations running seamlessly around the clock.

Endurance & Reliability

General Virtualization
For dense virtualization hosts running hypervisors like VMware ESXi or Hyper-V, this 8GB DDR4-2666 RDIMM module provides balanced capacity and cost-effectiveness. Populate at least eight modules (64GB total) in a dual-socket server to support moderate virtual machine consolidation while maintaining room for memory overcommitment. Leverage the ECC and registered design to ensure data integrity across all running VMs.

In-Memory Database
In-memory databases such as Redis or SAP HANA demand low latency and high reliability, which this single-rank 8GB RDIMM delivers through its CL19 timings and ECC protection. Deploy multiple modules in a fully balanced memory configuration across all memory channels to maximize bandwidth for real-time analytics. For larger datasets, scale out horizontally rather than relying on single large-capacity DIMMs.

High-Performance Computing
HPC workloads require maximum sustained throughput, making this 2666MHz registered memory a solid building block. Fill every memory channel per CPU socket—typically 8 or 12 modules—to achieve the highest interleaved bandwidth for parallel simulations and modeling. The 1.2V operating voltage helps control power consumption in dense compute clusters without sacrificing registered clock accuracy.

Verified Compatibility

Rigorously tested server memory, compatible with Dell PowerEdge R740, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650.

FAQ