Description
The AddOn QSFPDD-8SFP56-PDAC2-5M-AO is an MSA and TAA compliant 400GBase-CU QSFP-DD to 8xSFP56 passive direct attach cable designed to deliver ultra-high-speed, low-latency connectivity for next-generation data center, enterprise, and HPC networks. Featuring eight breakout SFP56 interfaces from a single QSFP-DD port, this passive Twinax cable supports data rates up to 56 Gbps per lane (PAM4) with a total aggregated bandwidth of 400 Gbps over a maximum distance of 2.5 meters (8.2 ft).
Built for optimal signal integrity, EMI/EMC performance, and robust mechanical reliability, this cable is ideal for short-reach interconnects between servers, switches, routers, and storage devices within racks or adjacent racks. Fully tested for performance and interoperability, it ensures seamless deployment and dependable operation across demanding environments.
| Specification | Details |
|---|---|
| Part Number | QSFPDD-8SFP56-PDAC2-5M-AO |
| Type | 400GBase-CU QSFP-DD to 8xSFP56 Direct Attach Cable |
| Cable Type | Passive Twinax |
| Data Rate | 56 Gbps per lane (PAM4), 400 Gbps aggregate |
| Length | 2.5 m (8.2 ft) |
| Connector A | QSFP-DD |
| Connector B | 8x SFP56 |
| Wire Gauge | 28 AWG |
| Cable Outer Diameter | 4.62 mm |
| Jacket Material | PVC |
| Flammability Rating | VW-1 |
| Voltage | 3.3 V DC |
| Current (Signal Only) | 0.75 A |
| Impedance | 100 Ω |
| Operating Temperature | -10 °C to +60 °C |
| Compliance Standards | QSFP-DD MSA Rev 3.4, SFF-8679, SFF-8636, IEEE 802.3bj/by/cd |
| Features | Pull-to-release latch, I²C EEPROM, 360° EMI shielding, low-loss construction |
| Certifications | IEC 60825-1, FDA CFR-21 1040.10/1040.11, TUV EN62368-1, UL/CSA 60950-1, FCC Part 15 Class B, EN 55032/55024 |
| Applications | Data centers, servers, switches, routers, high-performance computing |
| Compliance | RoHS-6, TAA |
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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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