The Samsung DDR4-3200 ECC Registered DIMM line (M393A4K40EB3-CWE / M393A2K43EB3-CWE) is stocked for channel distribution, serving resellers, system integrators, and enterprise IT buyers building virtualization hosts, database servers, and cache-tier deployments. Modules run at PC4-25600 with CL22 timing at 1.2V, delivering the bandwidth and power profile expected for 24/7 data center operation.
Important sourcing note: the listing title and spec table currently reference conflicting part numbers and capacities (32GB vs. 16GB). Before committing a bulk PO, confirm the exact variant against your BOM with your account manager or via the inquiry channel below; we will provide module label photos and datasheets on request so your stock matches your build sheets exactly.
Key specifications (table)
| Parameter | Specification |
|---|---|
| Manufacturer | Samsung |
| Part Number | M393A2K43EB3-CWE (per source table; listing title cites M393A4K40EB3-CWE — verify before purchase) |
| Memory Type | DDR4 ECC Registered DIMM (RDIMM) — not compatible with DDR5 platforms or mixed with unbuffered desktop memory |
| Capacity | 16GB (per source table; title indicates 32GB — confirm at order) |
| Data Rate | DDR4-3200 / PC4-25600 (actual speed may be platform dependent) |
| Memory Organization | 2Rx8 (Dual Rank x8) — dual-rank modules can improve bandwidth on balanced channel populations |
| Error Correction | ECC (Error Correcting Code) — requires an ECC-capable server platform |
| CAS Latency | CL22 |
| Voltage | 1.2V |
| Pin Count | 288-pin |
| Form Factor | RDIMM |
| Component Configuration | (1G × 8) × 18 |
| Application | Enterprise Servers & Data Centers |
| Production Status | Mass Production / Enterprise Deployment |
| Operating Temperature | 0°C to 85°C (typical server environment) |
Sourcing & Deployment Notes for Channel Buyers
- Registered ECC DDR4 installs only in server/workstation platforms that support RDIMMs. For integrators: populate channels in matched sets per the platform manual, and never mix DDR4 with DDR5 modules on the same build.
- The -CWE (3200) speed bin sits at the top of the DDR4 server line and is backward-compatible with lower-frequency platforms, which simplifies mixed-fleet upgrades and spares pooling for resellers.
- Batch consistency is guaranteed for volume orders — modules within a single PO ship from the same date code and production lot wherever possible, which matters for warranty pooling and validated server configurations.
- All shipments are RoHS-compliant and carry CE/FCC marks; export documentation (commercial invoice, packing list, certificates of origin on request) is provided for overseas buyers.
- Every module is OEM-sealed with original Samsung labeling; serial numbers are logged for traceability and RMA handling.
Warranty & RMA
Standard channel warranty applies with a streamlined RMA process for resellers and integrators: defective units are validated against serial number records and replaced or credited per agreed terms. Bulk buyers receive a dedicated contact for warranty claims to minimize downtime on deployed fleets.
For current stock levels, batch date codes, and volume pricing on this or related Samsung RDIMM SKUs, request a wholesale quote and our team will respond with a formal quotation and availability confirmation.
Wholesale & Procurement Notes
- MOQ: negotiable; trial and sample orders accepted for qualified buyers.
- Pricing: tiered volume discounts available — request a quote for 10/50/100+ unit breaks.
- Lead time: typically 3–7 business days for in-stock items; larger allocations quoted individually.
- Packing & shipping: anti-static OEM trays/boxes, neutral or branded outer cartons; DHL/FedEx/air freight with full export paperwork.
- RMA window: standard warranty coverage with DOA replacement within 30 days of receipt.
