General

Engineer's Note

This RDIMM is engineered for enterprise server platforms, delivering reliable 2933 MT/s throughput with ECC and registered signal buffering to ensure data integrity under heavy virtualization and in-memory database workloads. Its dual-rank x8 organization maximizes memory bandwidth and capacity per channel, while the 21-cycle CAS latency provides a stable balance between speed and command response for dense multi-DIMM configurations.

Technical Specs & Insights

1. ECC detection and correction silently eliminates single-bit memory errors, preserving transactional data integrity in always-on financial and database servers.
2. The registered buffer reduces electrical loading on the memory controller, enabling stable operation across fully populated slots in large-scale multi-socket platforms.
3. Each module’s sixteen-gigabyte capacity lets IT architects pack more memory into constrained chassis, multiplying virtual machine density per rack unit.
4. Dual Rank x8 organization leverages bank interleaving to keep memory pipelines saturated, delivering consistent throughput during peak virtualization and analytics bursts.
5. A 2933 megatransfers per second data rate supplies the raw bandwidth modern server CPUs demand, preventing memory bottlenecks that would stall parallel data processing.

Why These Specs Matter

The Samsung M393A2K43DB2-CVFB0 is a 16GB DDR4-2933 Registered DIMM purpose-built for enterprise servers, where continuous uptime and data accuracy are mission-critical. Its four defining characteristics directly address the real-world pain points of data center operators. First, ECC protection becomes non-negotiable in dense virtualization clusters: a single unnoticed bit-flip from cosmic radiation can silently corrupt a financial transaction or trigger a hypervisor fault, but this module detects and corrects those errors on the fly, safeguarding business integrity. Second, the registered signal buffer completely transforms scalability. When you need to populate all memory channels for an in-memory database like SAP HANA or a massive Redis cache, unregistered modules would overload the memory controller and cause instability; the on-DIMM register isolates the electrical load, enabling terabytes of reliable capacity so you can run real-time analytics with confidence. Third, the dual-rank x8 organization employs rank interleaving to pipeline memory requests, boosting effective bandwidth by up to 15% in multi-threaded workloads. This directly translates to higher virtual machine density—your VMware or Kubernetes hosts deliver smoother responses even during consolidation storms. Finally, the validated 2933MT/s speed at a latency-optimized CL21 strikes the ideal balance between high throughput and consistent 24/7 operation, ensuring database queries and containerized microservices perform predictably under sustained load. In short, this RDIMM turns memory from a potential failure vector into a strategic asset for virtualization, large-capacity caching, and latency-sensitive workloads.

Endurance & Reliability

General Virtualization
Deploy these 16GB DDR4-2933 RDIMMs in a balanced, population-optimized configuration. For a dual-socket server with 16 memory slots, populate at least one DIMM per channel (8 modules total) to achieve 128GB while maintaining full memory bandwidth. This density lets you comfortably allocate 4–8GB per typical VM, supporting 20–30 mixed-workload virtual machines with ECC protection and registered signal integrity.

In-Memory Database
Maximize capacity without sacrificing speed by fully populating all channels with dual-rank DIMMs. A server with 24 slots can reach 384GB using twenty-four of these 16GB modules, providing the large RAM footprint that Redis, Memcached, or SAP HANA demand. The Registered ECC design ensures data integrity during sustained, latency-sensitive operations, while the 2933MT/s speed delivers the quick access times crucial for real-time analytics.

High-Performance Computing (HPC)
Balance per-core memory bandwidth and capacity for compute-heavy simulations. Install one DIMM per populated channel to keep the memory interface at peak throughput—typically 8 or 12 modules per node, yielding 128GB or 192GB. The CL21 latency and dual-rank x8 organization help feed vectorized workloads efficiently. For memory-bound CFD or weather modeling jobs, consider leaving half the slots free so you can later double density to scale without swapping existing modules.

Verified Compatibility

Rigorously tested, guaranteed compatible with servers like Dell PowerEdge R760, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650.

FAQ