The Samsung M321R4GA3BB6-CQK is a 32GB DDR5-4800 ECC Registered DIMM (RDIMM) stocked in volume for B2B channels. It is a recurring demand item for resellers, system integrators, and IT procurement teams building virtualization hosts, database nodes, or cache-tier servers on DDR5 registered-memory platforms. Buyers should note it runs at 1.1V with CL40 latency and, as a DDR5 RDIMM, is not interchangeable with DDR4 modules or consumer unbuffered memory on the same board.
Product Specifications
| Parameter | Specification |
|---|---|
| Brand | Samsung |
| Part Number | M321R4GA3BB6-CQK |
| Memory Type | DDR5 ECC Registered DIMM (RDIMM) |
| Capacity | 32GB |
| Speed | DDR5-4800 / PC5-38400 |
| Data Transfer Rate | 4800 MT/s (actual speed may vary with CPU and platform support) |
| Rank Configuration | 2Rx8 (dual rank) |
| ECC Support | Yes |
| Operating Voltage | 1.1V |
| Pin Count | 288-pin |
| Module Type | RDIMM |
| Chip Organization | (2G × 8) × 20 |
| CAS Latency | CL40 |
| Application | Enterprise Servers, Workstations, Cloud Computing Platforms, Data Centers |
| Operating Environment | 24/7 Enterprise-Class Operation |
| Product Status | Enterprise-Class Mass Production |
Sourcing & Supply Overview
This part number is sourced through authorized distribution channels, and we maintain batch-consistent inventory so that multi-tray orders ship from the same production lot wherever possible. This minimizes mixed-lot risk and simplifies qualification for integrators deploying across large fleets of DDR5 servers. Current stock levels, lot dates, and available quantities are confirmed at quotation stage.
All units are covered by a standard wholesale warranty with structured RMA handling: defective modules are logged, validated, and replaced or credited through a defined cross-shipment process to minimize downtime for your downstream customers. Warranty terms and RMA turnaround are documented on the pro forma invoice for each order.
Compliance documentation — including CE, FCC, and RoHS declarations — is available on request for customs clearance and enterprise tender requirements. Export documentation is prepared in line with destination-country regulations, and we support standard trade terms for overseas B2B shipments.
For resellers, this is a high-turnover enterprise memory SKU suitable for stock replenishment programs; for system integrators, ordering identical part numbers and rank configurations across all channels keeps channel population symmetrical and avoids BIOS memory-training issues during deployment. Always verify your CPU and motherboard qualified memory list (QVL) before committing to volume orders, and note that dual-rank 2Rx8 modules should be populated per your server vendor’s channel population guidelines.
To check real-time availability, lot consistency, and volume pricing for this item, please request a wholesale quote and our sales team will respond with stock confirmation and tiered pricing.
Wholesale & Procurement Notes
- MOQ: negotiable depending on stock position and destination market.
- Pricing: tiered volume discounts available — request a quote with target quantity.
- Lead time: typically 3–7 business days for in-stock items; larger allocations confirmed at order stage.
- Packing & shipping: anti-static trays, bulk cartons, or OEM-neutral packing; DHL/FedEx/air freight or consolidated sea freight options.
- RMA window: standard warranty period with 30-day DOA replacement coverage from receipt of goods.
