Description
The AddOn 400GBase-CU QSFP-DD to 8xSFP56 Direct Attach Cable (2.5m) is a high-performance interconnect solution designed for data centers and enterprise networking environments. This passive copper twinax cable supports 400Gbps throughput, enabling efficient, low-latency connections between QSFP-DD and SFP56 network devices. Built to MSA standards and fully TAA compliant, this cable ensures compatibility, reliability, and regulatory compliance. Each unit is individually tested, serialized, and quality assured for seamless performance in demanding networking applications.
With its 8.2ft (2.5m) length, it provides the flexibility needed for short-distance, high-bandwidth connectivity while minimizing power consumption and latency compared to optical alternatives. Backed by AddOn’s lifetime warranty, it delivers long-term value and trusted performance.
| Category | Details |
|---|---|
| Manufacturer | AddOn |
| Part Number | QDD8SFP56PDAC2-5M-AO |
| Brand Name | AddOn |
| Product Type | Twinaxial Network Cable |
| Cable Type | Twinaxial (Passive Copper) |
| Cable Length | 2.5m (8.2 ft) |
| Connector (First End) | 1 × QSFP-DD Network – Male |
| Connector (Second End) | 8 × SFP56 Network – Male |
| Data Transfer Rate | 400 Gbit/s |
| Device Supported | Network Devices, Transceivers |
| Features | Passive, Hot-Swappable, MSA & TAA Compliant |
| Material | Copper |
| Dimensions (LxWxH) | 98.4" × 0.5" × 0.5" |
| Weight | ~0.30 lb |
| Certifications | MSA Compliant, TAA Compliant |
| Warranty | Lifetime Limited Warranty |
| Product Condition | New and Factory Fresh |
| Packaged Quantity | 1 |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
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