General

Engineer's Note

This 64GB DDR4-2933 Registered ECC RDIMM is purpose-built for enterprise servers and high-density memory configurations, delivering strong data integrity for virtualization, in-memory databases, and mission-critical workloads. Its quad-rank x4 organization maximizes capacity per channel while registered signaling ensures stable operation under heavy load, and ECC protection mitigates single-bit errors to uphold system reliability.

Technical Specs & Insights

1. The 64 GB capacity per module allows dense memory configurations, enabling enterprises to host significantly more virtual machines per physical server without sacrificing performance.
2. End-to-end ECC protection silently detects and corrects memory errors in real time, preserving data integrity for financial transactions and critical databases.
3. The registered signal buffer isolates the memory controller from the electrical load of stacked DRAM chips, ensuring rock-solid stability even with fully populated server slots.
4. Quad Rank x4 organization maximizes memory-level parallelism by engaging multiple internal ranks, sustaining bandwidth saturation under heavy simultaneous I/O workloads.
5. A high data-rate frequency accelerates memory access, cutting latency for in-memory analytics and allowing faster response times in large-scale virtualization clusters.

Why These Specs Matter

The Micron MTA72ASS8G72LZ-2G9J2R is a 64GB DDR4-2933 Registered DIMM purpose-built for enterprise servers, where memory failures translate directly into revenue loss. Its four defining characteristics work together to eliminate those risks. ECC continuously scans and corrects single-bit errors, protecting in-memory databases like SAP HANA from silent data corruption during high-frequency transaction processing—a critical safeguard when even one flipped bit can crash a financial ledger. The registered signal buffer re-drives command and address signals, letting you populate all 24 DIMM slots in a 2U server without electrical instability. In a VMware or Nutanix virtualization cluster, that means higher VM density per host, reducing both licensing costs and data center footprint. The 64GB capacity itself allows fewer modules to reach extreme memory pools, preserving slot availability for scaling. Meanwhile, the quad-rank x4 organization enhances bank interleaving, raising effective bandwidth for read-intensive analytics workloads. During a quarter-end business intelligence refresh, these capabilities ensure that memory never becomes the bottleneck your SLA depends on.

Endurance & Reliability

This 64GB DDR4-2933 ECC Registered RDIMM (Quad Rank x4, CL21) is strictly server memory, unsuitable for desktops or laptops without a registered-DIMM motherboard. Plan capacity using these workload profiles.

General Virtualization
Populate one DIMM per memory channel to balance capacity and bandwidth—for a dual-socket server with 16 channels, 8 modules supply 512GB, leaving room for growth. Evenly distributed registered DIMMs ensure stable VM density and protect multi-tenant data integrity.

In-Memory Database
Fill every channel with identical 64GB RDIMMs (e.g., 12 modules across two sockets) to provide 768GB of low-latency capacity. Because Quad Rank parts slow with two DIMMs per channel, install single modules per channel first; this keeps memory feeding the database engine without frequency penalties.

High-Performance Computing
Maximize bandwidth by placing a single 64GB Quad Rank RDIMM in each channel. Start with a fully populated one-DIMM-per-channel configuration; if capacity must exceed that layout, add a second set but expect a step down to 2666MHz. Always follow motherboard population rules to preserve NUMA locality and sustained throughput.

Verified Compatibility

Rigorously tested reliable RDIMM for Dell PowerEdge R740, HPE ProLiant DL380 Gen10, Lenovo SR650.

FAQ