The Samsung M321R2GA3EB0-CWM 16GB DDR5-5600 registered ECC DIMM is a high-turnover enterprise memory SKU for wholesale buyers, system integrators, and IT resellers building out server, cloud, and data center platforms. We stock this part in volume for B2B procurement, with batch-consistent inventory management to support mixed-node deployments that require identical part numbers across servers. Note that this is an RDIMM for registered-DDR5-compatible platforms only; integrators should validate against motherboard/server QVLs before committing configurations to end customers.
Key specifications (table)
| Parameter | Specification |
|---|---|
| Brand | Samsung |
| Part Number | M321R2GA3EB0-CWM |
| Module Type | RDIMM |
| Memory Type | DDR5 ECC Registered DIMM (RDIMM) |
| Capacity | 16GB |
| Speed | DDR5-5600 / PC5-44800 |
| Data Transfer Rate | 5600 MT/s (may clock down on platforms with lower maximum memory speed support) |
| Rank Configuration | 1Rx8 (single-rank; leaves more physical ranks available for future population) |
| Chip Organization | (2G × 8) × 10 |
| CAS Latency | CL46 |
| Operating Voltage | 1.1V (lower than DDR4, contributing to reduced power draw per module) |
| Pin Count | 288-pin |
| ECC Support | Yes (requires platform-enabled ECC; standard for registered server memory) |
| Application | Enterprise servers, cloud computing, workstations, data centers |
| Operating Environment | 24/7 enterprise-class operation |
| Product Status | Enterprise-class mass production |
B2B Supply & Deployment Notes
- Stock & batch consistency: We fulfil large orders from controlled stock lots so that all modules within one shipment carry the same part number, production batch, and firmware/SPD revision — critical for integrators standardizing memory across a server fleet.
- Compatibility discipline: DDR5 RDIMMs are neither backward- nor forward-compatible: they cannot be mixed with DDR4 modules or installed in consumer UDIMM slots. DDR5 platforms also require balanced channel population per the vendor’s memory guide to achieve rated bandwidth. Resellers should communicate these constraints downstream.
- Configuration planning: This 16GB single-rank (1Rx8) module suits broad channel population across many nodes; when maximum per-channel density is the priority, pair orders with higher-capacity dual-rank SKUs from the same Samsung DDR5 RDIMM family, which we can quote in the same shipment.
- Warranty & RMA: Units are covered by a standard supplier warranty with a structured RMA process for B2B accounts — faulty units are replaced or credited per agreed terms, minimizing downtime for your integration projects.
- Compliance & export: Shipments are accompanied by documentation meeting CE, FCC, and RoHS requirements, suitable for cross-border resale and integration into regulated enterprise environments.
Whether you are a reseller replenishing inventory or a system integrator provisioning a full rack deployment, our team can consolidate Samsung DDR5 RDIMM volumes with competitive tiered pricing and reliable lead times. For current stock levels, batch availability, and volume pricing, request a wholesale quote and our sales desk will respond with a formal quotation.
Wholesale & Procurement Notes
- MOQ negotiable depending on configuration and destination market.
- Tiered volume pricing available — contact us to request a formal quote.
- Typical lead time: 3–7 business days for in-stock items; larger consolidations quoted individually.
- Packing & shipping: anti-static bulk trays or original retail packaging; express, air, or sea freight with export documentation.
- RMA window: standard warranty period with a defined DOA/RMA handling window for B2B accounts.
