
The Samsung M321R4GA0PB0-CWM is a 32GB DDR5-5600 ECC registered DIMM (RDIMM) supplied through our wholesale channel for resellers, system integrators, and IT procurement teams building out enterprise server, cloud, and data center infrastructure. Volume stock is maintained for continuous replenishment, and orders within the same batch can be fulfilled with consistent part numbering and firmware revisions to support standardized deployments across virtualization hosts, cache tiers, and other 24/7 workloads. Please note that DDR5 RDIMMs are not interchangeable with DDR4 modules; buyers should confirm platform generation before committing to volume orders.
Key specifications (table)
| Parameter | Specification |
|---|---|
| Brand | Samsung |
| Part Number | M321R4GA0PB0-CWM |
| Module Type | RDIMM |
| Memory Type | DDR5 ECC Registered DIMM (RDIMM) |
| Capacity | 32GB |
| Speed | DDR5-5600 / PC5-44800 |
| Data Transfer Rate | 5600 MT/s (actual rate may be limited by platform support and memory controller) |
| Rank Configuration | 1Rx4 |
| Chip Organization | (4G × 4) × 20 |
| CAS Latency | CL46 |
| ECC Support | Yes |
| Operating Voltage | 1.1V |
| Pin Count | 288-pin |
| Application | Enterprise servers, cloud computing, data centers, workstations |
| Operating Environment | 24/7 enterprise-class operation |
| Product Status | Mass production |
Sourcing & Compatibility Notes
- This RDIMM with ECC is intended exclusively for server platforms supporting registered DDR5 memory. It will not fit or operate in DDR4 slots and cannot be mixed with DDR4 DIMMs in any configuration — verify platform generation before placing bulk orders.
- The 1Rx4 single-rank configuration at 5600 MT/s positions this module as a mainstream capacity option for standardized server builds. Mixed-rank populations across channels may affect achievable speeds; integrators should consult the server vendor’s memory population guide when specifying mixed configurations.
- Stock is allocated on a first-come, first-served basis for wholesale orders. Batch consistency (same date code and part revision) can be requested for large deployments; confirm availability with our sales desk.
- All units ship with manufacturer warranty coverage, and RMA handling is processed through our wholesale support channel with a defined inspection and replacement workflow for defective returns.
- Products are export-compliant with CE, FCC, and RoHS requirements. Buyers are responsible for verifying part numbers against their platform’s qualified vendor list (QVL) prior to high-volume procurement.
Wholesale & Procurement Notes
- MOQ negotiable depending on stock position and destination market.
- Tiered volume pricing available — request a wholesale quote for quantities beyond listed tiers.
- Typical lead time: 3–7 business days for in-stock items; 2–4 weeks for scheduled batch orders.
- Packing & shipping: anti-static bulk trays or original retail packaging, with DHL/FedEx/air freight options and full export documentation.
- RMA window: 12-month warranty with DOA replacement accepted within 30 days of receipt.
