General

Engineer's Note

This 64GB DDR4-2933 RDIMM is engineered for enterprise server platforms handling memory-intensive workloads such as virtualization, in-memory databases, and large-scale data analytics, where its ECC and registered signal design ensure critical data integrity and signal stability under high-density configurations. The quad-rank x4 organization maximizes capacity per channel while maintaining reliable operation at 1.2V, delivering a balance of density and power efficiency that suits demanding 24/7 data-center environments.

Technical Specs & Insights

1. 64GB large capacity per module maximizes memory density per server node, enabling more virtual machines and in-memory databases without sacrificing performance.
2. ECC error correction automatically detects and fixes single-bit memory errors, crucial for preventing silent data corruption in mission-critical enterprise workloads.
3. Registered logic buffers address and command signals, ensuring stable signal integrity across heavily loaded server memory channels with multiple DIMMs.
4. Quad Rank x4 organization keeps all memory banks densely packed, sustaining high bandwidth under heavy concurrent access typical in virtualization and analytics.
5. 2933 MHz memory speed delivers ample throughput for modern CPU cores, reducing latency-sensitive bottlenecks in large-scale data processing and real-time analytics.

Why These Specs Matter

The Samsung M386A8K40DM2-CVFC0 is a 64GB DDR4-2933 Registered DIMM purpose-built for enterprise servers, where even a single undetected memory error can cascade into data corruption or unplanned downtime. Its ECC capability actively corrects single-bit faults caused by background radiation or electrical noise, meaning your in-memory databases and virtualization hosts run with absolute integrity—no silent bit flips compromising financial records or crashing customer-facing VMs. The Registered clock buffer stabilizes command and address signals across heavily populated memory channels, so you can confidently deploy multiple high-capacity modules without signal degradation. This is essential when consolidating a large virtualization cluster onto a single physical host. The module’s Quad Rank x4 organization enables aggressive rank interleaving, significantly boosting effective bandwidth for latency-sensitive workloads like real-time Redis caches or massive SAP HANA analytics in memory. Meanwhile, the 1.2V operating voltage reduces thermal output and power draw per DIMM directly lowering your data center’s cooling and energy bills across dense server farms. These design choices translate into fewer outages, denser consolidation, and faster decisions from your critical data.

Endurance & Reliability

General Virtualization

For a typical hypervisor hosting 10–15 moderate VMs, populate the server with at least four of these 64 GB RDIMMs to reach 256 GB total capacity. Distribute modules evenly across all memory channels (e.g., one DIMM per channel on an 8‑channel platform) to maximize bandwidth and reduce latency. Avoid mixing quad‑rank DIMMs with other ranks on the same channel to maintain signal integrity.

In‑Memory Database

In‑memory databases like Redis or SAP HANA require large, low‑latency memory pools. Install eight of these 64 GB quad‑rank modules for 512 GB, fully populating one DIMM per channel on an 8‑channel system. The registered ECC technology guarantees data consistency under heavy write loads, while 2933 MHz speed keeps access times competitive for real‑time analytics.

High‑Performance Computing

HPC workloads demand both capacity and sustained bandwidth. Use a balanced configuration of eight or sixteen modules (512 GB–1 TB) in a 1 DIMM‑per‑channel layout to match the CPU’s memory interleaving. The quad‑rank design delivers higher density without sacrificing rank interleaving gains, and 1.2 V operation helps control power and thermals in dense compute clusters.

Verified Compatibility

Validated server memory: fits Dell PowerEdge R750, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650 V2.

FAQ