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| 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 |
| Rank | Dual Rank x8 |
| RAM Genre | DIMM |
Designed for mainstream server deployments, this Samsung 32GB DDR5-6400 Registered DIMM with ECC delivers exceptional data integrity and sustained throughput for memory-intensive workloads such as virtualization, in-memory databases, and high-compute enterprise applications. Its dual-rank x8 organization with registered signal buffering enhances signal stability and enables higher capacity density per channel, while on-die ECC correction safeguards against transient errors in 24/7 mission-critical environments.
1. Registered signal type ensures stable command and address integrity across densely populated server boards, preventing signal degradation when scaling to massive memory configurations.
2. ECC error correction proactively detects and fixes single-bit memory errors, safeguarding transactional data and preventing silent corruption in always-on enterprise workloads.
3. Dual Rank x8 organization maximizes interleaving efficiency to deliver higher sustained bandwidth, which directly boosts the performance of in-memory databases and heavily consolidated virtual machines.
4. 32 GB capacity per module strikes an optimal balance for virtualization hosts, enabling high VM density without overspending on idle memory resources in dual-socket deployments.
5. DDR5-6400 speed pushes memory throughput to 51.2 GB/s, slashing latency for data-intensive operations like real-time analytics and AI inference running on modern server CPUs.
The M321R4GA3PB2-CCPKF is a server-grade DDR5 Registered DIMM engineered to eliminate the compromises you face in mission-critical data centers. Its 32 GB capacity per module lets you populate a dual-socket platform with massive memory pools for dense virtualization clusters—running dozens of VMs without a single page-fault stall that would cascade lag across user sessions. The 6400 MT/s speed translates directly into 51.2 GB/s of bandwidth, which means an in-memory database like Redis or SAP HANA can process real-time analytics queries substantially faster, shrinking response windows when millions of transactions are hitting the ledger. ECC error correction is non-negotiable here: it silently corrects single-bit flips induced by background radiation, preventing silent data corruption inside a financial trading algorithm or a three-week genomic sequencing job that cannot afford a checkpoint skew. Coupled with the Registered signal buffer and Dual Rank x8 organization, the module stabilizes command and address lines across fully loaded memory channels and interleaves internal banks to lower effective latency under contention. The result is deterministic performance you can trust when your revenue depends on every cycle.
Based on its specifications—32GB capacity, DDR5-6400 speed, ECC error correction, Registered signal type, and DIMM form factor—this module is clearly designed for server platforms. The following capacity planning guidance covers three key server workloads.
General Virtualization
Equip a dual-socket server with 16 of these 32 GB RDIMMs (512 GB total), placing one module per channel to achieve balanced NUMA memory access and full interleaving. This capacity comfortably supports memory overcommitment for dozens of VMs, while the 1.1 V DDR5 voltage helps reduce overall platform power consumption.
In-Memory Database
Populate all available DIMM slots—up to 32 modules for a 1 TB footprint on a 16-channel platform—to maximize capacity for latency-sensitive databases like SAP HANA or Redis. The dual‑rank x8 organization and 6400 MT/s speed deliver the bandwidth needed for large in‑memory datasets, and ECC ensures data integrity under continuous write‑heavy loads.
High-Performance Computing
Adopt a 1‑DIMM‑per‑channel (1DPC) configuration with 16 modules per node, providing 512 GB of high‑bandwidth memory for parallel simulations and modeling. This approach preserves peak signal integrity and minimizes latency, while the low 1.1 V operating voltage contributes to better energy efficiency in dense cluster deployments.
Rigorously tested and compatible with Dell PowerEdge R760, HPE ProLiant DL380 Gen11, Lenovo ThinkSystem SR650 V3.
Q: Can I mix this M321R4GA3PB2-CCPKF with other memory modules of different brands or speeds?
A: Mixing is not recommended for server memory. Mismatched brands or speeds may cause instability, ECC errors, and system crashes. For reliable operation, use identical modules in all populated slots.
Q: Is this memory compatible with my system?
A: This module is compatible with servers supporting DDR5 Registered ECC memory, such as Intel Xeon Scalable (Sapphire Rapids) and AMD EPYC 9004 series platforms. Always verify your system’s qualified vendor list.
Q: What is the recommended DIMM population order for optimal performance?
A: Follow your server motherboard’s population guide. Generally, populate identical DIMMs in balanced channels, starting with the first slot of each memory channel (e.g., A1, B1) for optimal interleaving and bandwidth.
Q: Does this module support overclocking or XMP profiles?
A: No. This is a server-grade Registered ECC memory module strictly adhering to JEDEC standards. It does not support overclocking or XMP profiles, prioritizing data integrity and 24/7 stability.
Q: What warranty and typical failure rate can I expect?
A: This module includes a 1-year warranty. As an enterprise-class ECC DIMM, it exhibits very low failure rates with high MTBF, ensuring reliable long-term operation in data center environments.