Description
The AddOn Juniper Networks® QDD-400G-DAC-3M is a high-performance 400GBase-CU direct attach cable designed for data centers, enterprise networking, and high-performance computing environments. This QSFP-DD to QSFP-DD passive twinax cable supports a maximum reach of 3 meters (9.8 ft) and is compliant with QSFP-DD MSA specifications. It ensures reliable high-speed connectivity with 25G and 50G PAM4 electrical data rates per channel, excellent EMI/EMC shielding, and low-loss signal integrity.
Each unit is uniquely serialized, fully tested for data traffic and application performance, and guaranteed to be 100% compatible with Juniper Networks® systems. The cable is TAA compliant, RoHS certified, lead-free, and backed by AddOn’s limited lifetime warranty, making it a dependable, cost-effective solution for short-distance, high-bandwidth interconnects.
| Specification | Details |
|---|---|
| Part Number | QDD-400G-DAC-3M-AO |
| Product Type | QSFP-DD to QSFP-DD Direct Attach Cable (DAC) |
| Data Rate | 400GBase-CU |
| Cable Type | Passive Twinax |
| Length | 3 meters (9.8 ft) |
| Compatibility | Juniper Networks® |
| Electrical Compliance | IEEE 802.3bj/by/cd; SFF-8679, SFF-8636 compliant |
| Data Rates Supported | 25G NRZ, 50G PAM4 per channel |
| Management Interface | I²C EEPROM, CMIS 3.0 |
| Mechanical Features | Pull-to-release latch, 360° EMI/EMC shielding, zinc die-cast housing |
| Operating Temperature | -20°C to +80°C |
| Storage Temperature | -40°C to +80°C |
| Certifications | TAA Compliant, RoHS-6, UL/CSA, FCC Part 15, EN55032/55024 |
| Warranty | Limited Lifetime Warranty |
Payment & Security
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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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