Secure payments
Standard refund policy
Trade Assurance
| Product Type | Memory Module |
|---|---|
| Memory Capacity | 256 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) | CL40 |
| Rank | Quad Rank x4 |
| Quantity of Pins | 288-pin |
| RAM Genre | DIMM |
This 256GB DDR5-6400 Registered DIMM with ECC and Quad Rank x4 configuration is purpose-built for memory-intensive server platforms, delivering the data integrity and massive capacity essential for virtualization, in-memory databases, and large-scale analytics. Its registered signal type ensures stable operation under high-density loading, while the quad-rank design maximizes per-channel capacity without sacrificing the 6400MT/s speed, enabling reliable, low-latency access to critical workloads.
1. 256GB capacity per module enables heavy virtualization consolidation, allowing multiple enterprise VMs and in-memory databases to run without fetching from slower storage.
2. DDR5 technology doubles the burst length and improves power management integrity, essential for sustaining throughput in always-on cloud infrastructure.
3. 6400MT/s transfer rate elevates memory bandwidth, directly reducing latency in large-scale data analytics and real-time financial modeling workloads.
4. On-die ECC corrects single-bit errors at the silicon level, reinforcing long-running server uptime and protecting transactional data from silent corruption.
5. Registered signal buffering decouples the command bus from chip loading, stabilizing signal integrity in fully populated 24+ DIMM multi-socket platforms.
As a server ECC Registered DIMM, the M321RBJA0M22-CLPGF brings four critical enablers to your virtualized cluster and real-time database tier. ECC technology stops silent data corruption: a single undetected bit error in a hypervisor kernel can cascade into a site-wide outage for transactional systems like airline booking or financial ledgers. Registered buffering maintains signal integrity when you fully load all 12 memory channels in a multi-socket host, eliminating random crashes under dense VM consolidation. The 256GB Quad Rank x4 capacity allows you to run an entire SAP HANA or Redis dataset on far fewer modules, cutting node count and licensing overhead. DDR5-6400 speed at just 1.1V boosts bandwidth to accelerate live migration and in-memory analytics while reducing wattage per gigabyte, directly shrinking your TCO. These aren’t just specs; they’re guarantees of uptime and scale for modern data-intense workloads.
Based on the provided specifications — DDR5-6400 Registered ECC DIMM with Quad Rank x4 — this is server memory. It is designed for data integrity and high capacity in enterprise environments. Below is capacity planning guidance for typical server workloads.
General Virtualization
Virtualized hosts thrive on balanced memory bandwidth and high capacity. Deploy these modules in symmetric configurations, populating all memory channels (e.g., 8 or 16 DIMMs per 2-socket server) to maximize throughput. Adhere to 1 DIMM per channel (1DPC) at 6400 MT/s for optimal performance, adjusting down if Quad Rank loading forces a speed drop; target 1–2TB total RAM per host for dense VM consolidation.
In-Memory Database
In-memory databases demand large, contiguous memory pools and zero-error operation, making ECC essential. Prioritize capacity over peak frequency—populate all channels with these 256GB modules to reach 4TB or more per node. If memory speed degrades at full population, a slight frequency trade-off is acceptable to gain the 1:1 scale-up headroom, ensuring entire datasets reside in RAM for sub-millisecond query responses.
High Performance Computing (HPC)
HPC workloads require both bandwidth and reliability. Configure a balanced memory architecture: install an equal number of DIMMs per socket, filling channels identically to sustain 6400 MT/s where possible. For memory-bandwidth-bound simulations, consider using fewer ranks per channel by selecting dual-rank alternatives if Quad Rank throttles frequency; otherwise, set the BIOS to favor speed, and validate stability under sustained ECC-protected load.
Rigorously tested server memory compatible with Dell PowerEdge R760, HPE ProLiant DL380 Gen11, Lenovo SR650 V3, and more.
Q: Can I mix this M321RBJA0M22-CLPGF with other memory modules of different brands or speeds?
A: Mixing with different brands or speeds is not recommended for registered server memory. It may cause instability, prevent booting, or impair error correction, compromising mission‑critical system reliability.
Q: Is this memory compatible with my system?
A: This DDR5-6400 registered ECC DIMM is designed for server platforms such as Intel Xeon Scalable (Sapphire Rapids) or AMD EPYC (Genoa). Please verify your system’s qualified vendor list for support.
Q: What is the recommended DIMM population order for optimal performance?
A: Populate identical modules per channel, starting with the furthest slot from the CPU. Balance capacity across all memory controllers and consult your server motherboard manual for the precise slot numbering sequence.
Q: Does this module support overclocking or XMP profiles?
A: No. As a server-grade registered ECC module, it strictly adheres to JEDEC DDR5-6400 specifications and does not support overclocking or XMP profiles, ensuring data integrity and operational stability.
Q: What warranty and typical failure rate can I expect?
A: This module carries a 1-year warranty. Enterprise-class registered DIMMs exhibit very low annualized failure rates under specified conditions. Contact your sales representative for detailed reliability metrics.