General

Engineer's Note

Designed as a 64GB DDR4-2666 Registered ECC RDIMM, this module is purpose-built for enterprise servers and workloads demanding uncompromising data integrity, such as virtualization hosts and in-memory databases. Its Registered signal type stabilizes high-capacity configurations by reducing electrical load on the memory controller, while the quad-rank x4 organization and ECC actively correct single-bit errors to prevent silent data corruption in mission-critical environments.

Technical Specs & Insights

1. ECC protection detects and corrects single-bit memory errors in real time, preventing silent data corruption in mission-critical database and financial transaction workloads.
2. Registered signal buffering stabilizes the command and address bus, enabling dense server configurations to scale memory capacity without compromising signal integrity.
3. Quad Rank x4 organization maximizes the number of memory banks available to the memory controller, sustaining peak bandwidth under heavy virtualization consolidation with numerous concurrent VMs.
4. Large module capacity allows substantially more virtual machines or containers to reside on a single physical host, directly reducing server sprawl and improving TCO.
5. High data rate provides the throughput necessary for in-memory analytics and real-time processing, shrinking response times when handling massive, concurrent user requests.

Why These Specs Matter

The Micron MTA72ASS8G72LZ-2G6B2SG is a 64GB DDR4-2666 Registered DIMM purpose-built for enterprise servers, where data integrity and uninterrupted operation are the highest priorities. Its ECC technology actively corrects single-bit errors in real time, preventing silent data corruption that could crash an entire virtualized cluster or introduce inconsistencies into a transactional database—this directly safeguards your application uptime and audit compliance. The Registered buffer decouples the memory bus from the CPU, stabilizing signal integrity when multiple high-density modules populate the board; for a dense VMware farm or an in-memory analytics platform like SAP HANA, this means you can confidently scale to terabytes of RAM while keeping access latency predictable, even under full load. The quad-rank, 64GB configuration maximizes capacity per channel, a decisive advantage when consolidating dozens of virtual machines—without it, overcommitted memory forces the hypervisor into performance-draining disk swap. Finally, the 2666MT/s bandwidth and CL19 latency deliver a balanced throughput profile that feeds modern multi-core Xeon processors without memory bottlenecks, ensuring real-time query engines and OLTP workloads run at their peak. This module turns rigorous engineering into concrete business resilience, density, and speed for the data center.

Endurance & Reliability

General Virtualization
For dense virtualization hosts, this 64GB ECC Registered DIMM is ideal. Populate six or eight identical modules per server to achieve 384–512GB total capacity, ensuring ample headroom for dozens of virtual machines while maintaining memory reliability through error correction. Stick to balanced memory channels—typically one DIMM per channel—to preserve 2666MHz speed and avoid performance penalties from mixed ranks.

In-Memory Database
Maximize capacity and bandwidth by installing a full set of 12 or 16 modules in a dual-socket server, delivering 768GB or 1TB of fault-tolerant memory for large in-memory datasets. The quad-rank x4 organization and CL19 latency provide the stability required for transaction-heavy workloads; confirm that all channels are populated identically to maintain lockstep memory interleaving and predictable low-latency access.

High-Performance Computing
Deploy eight or sixteen of these Registered ECC modules per node to reach 512GB–1TB, sufficient for large-scale simulations and data-parallel tasks. Configure one DIMM per channel to sustain the rated 2666MHz frequency without throttling; the high rank count offers capacity density, but verify CPU memory controller limits to avoid drops to 2400MHz under full load. ECC protection guards against silent data corruption during extended compute runs.

Verified Compatibility

Server memory rigorously tested and compatible with Dell PowerEdge R760, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650.

FAQ