| Product Type | Memory Module |
|---|---|
| Memory Capacity | 32 GB |
| Memory Technology | DDR5 |
| Product Voltage | 1.1 V |
| RAM Speed | 6400 MHz |
| RAM Standard | DDR5-6400/PC5-51200 |
| Error Identifying | ECC |
| Signal Type | Registered |
| Column Access Strobe (CAS) | CL22 |
| Rank | Dual Rank x8 |
| Quantity of Pins | 288-pin |
| RAM Genre | RDIMM |
Designed for server platforms, this 32GB DDR5-6400 Registered ECC DIMM (RDIMM) with dual-rank x8 organization excels in virtualized environments and memory-intensive databases by combining error correction and registered signal stability to ensure uncompromising data integrity under heavy load. Its dual-rank configuration enables interleaved access that boosts per-channel bandwidth, while the low 1.1V operating voltage and tight CL22 latency contribute to power-efficient, high-throughput operations in demanding enterprise workloads.
1. DDR5 technology delivers a massive generational leap in data transfer rates and power efficiency, keeping multi-socket servers fed with the throughput needed for real-time analytics under full load.
2. High per-module capacity allows dense memory configurations in rack servers, enabling IT teams to host more virtual machines and larger in-memory databases on a single physical node.
3. The ultra-fast transfer rate eradicates memory bottlenecks, allowing modern server CPUs to handle sudden spikes in concurrent requests without compromising quality of service.
4. End-to-end ECC protection autonomously detects and corrects data errors, safeguarding financial transactions and patient records against silent data corruption that could cause catastrophic downtime.
5. Registered signal buffering preserves crisp command and address integrity across fully populated channels, ensuring non-stop stability in high-availability enterprise environments where every slot is utilized.
In virtualized clusters and in-memory database environments, the Samsung M321R4GA3PB2-CCP RDIMM translates its engineering into tangible business resilience. Its on-die ECC silently corrects single-bit errors the moment they occur, preventing silent data corruption from crashing transactional workloads or compromising analytical accuracy during 24/7 operation—downtime you simply cannot afford. The registered buffer decouples the memory controller from electrical loading, enabling you to fully populate all channels with these 32GB modules without signal degradation; that means hosting denser VM fleets on a single node without sacrificing stability. With a dual-rank x8 configuration and a swift DDR5-6400 frequency, it sustains higher concurrency and bandwidth, dramatically reducing query latency in Redis, SAP HANA, or real-time fraud detection systems where every microsecond shapes decisions. The 1.1V operating voltage further reduces power draw and thermal strain across multi-node racks, directly lowering your energy and cooling overhead at scale. This module transforms uptime, density, and speed from technical claims into measurable operational advantage.
General Virtualization
Virtualization hosts rely on high capacity and error correction. Install one 32 GB Registered ECC RDIMM in every memory channel per CPU, yielding 256 GB for a typical 8-channel platform. This balanced 1‑DIMM‑per‑channel configuration leaves room for future expansion and avoids the bandwidth penalties often triggered when populating two DIMMs per channel.
In-Memory Database
In-memory databases demand massive, fault-tolerant RAM pools. Leverage the Dual Rank x8 design to improve bank interleaving and throughput. Populate a dual-socket server with 12 to 16 of these 32 GB modules per CPU — up to 512 GB per socket — keeping datasets entirely in ECC-protected memory to eliminate storage bottlenecks.
High-Performance Computing (HPC)
HPC applications are bound by memory bandwidth. Use one 32 GB RDIMM per channel to sustain the full DDR5-6400 speed; adding a second DIMM per channel typically forces the memory controller to drop to a lower frequency. A dual-socket server with eight channels each delivers 512 GB of high-bandwidth, dual-rank memory with CL22 latency, perfect for simulation and modeling.
Strictly tested server memory. Compatible with Dell PowerEdge R760, HPE ProLiant DL380 Gen11, Lenovo ThinkSystem SR650 V3.
Q: Can I mix this M321R4GA3PB2-CCP with other memory modules of different brands or speeds?
A: Mixing is not recommended. Mixing brands or speeds can cause signal integrity issues and system instability with registered ECC memory. For reliable operation, use identical Samsung modules with the same MPN across all channels.
Q: Is this memory compatible with my system?
A: It is compatible with servers supporting DDR5 Registered DIMMs, such as those based on 4th Gen Intel Xeon Scalable or AMD EPYC 9004 Series processors. Please verify your platform's memory qualification list and support for DDR5-6400 RDIMMs.
Q: What is the recommended DIMM population order for optimal performance?
A: Consult your server manual. Generally, populate identical DIMMs per channel starting from the slot farthest from the CPU, balancing across all memory channels to achieve optimal interleaving and maximum memory bandwidth.
Q: Does this module support overclocking or XMP profiles?
A: No. This is a JEDEC-compliant DDR5-6400 Registered DIMM designed for server reliability. It does not support overclocking or Intel XMP 3.0 profiles; it operates only at validated standard speeds and timings.
Q: What warranty and typical failure rate can I expect?
A: This module includes a 1-year warranty. Enterprise-grade RDIMMs exhibit very low failure rates, typically with an annualized failure rate (AFR) well below 0.5% under specified operating conditions, backed by rigorous factory testing.