Description
The AddOn QSFPDD-400G-PDAC2-5M-AO is a high-performance, MSA and TAA compliant 400GBase-CU direct attach copper cable designed for ultra-fast interconnects in data centers, enterprise networks, and high-performance computing environments. This QSFP-DD to QSFP-DD PAM4 passive twinax cable delivers reliable 400Gbps connectivity with a maximum reach of 2.5 meters, providing a cost-effective and low-latency solution for high-bandwidth applications.
Built to meet QSFP-DD MSA, IEEE 802.3bj/by/cd, and SFF-8679 standards, this cable supports 25G and 50G PAM4 data rates per channel and features excellent EMI/EMC shielding for signal integrity. Its plug-and-play design with pull-to-release latch ensures easy installation, while RoHS-6 and Trade Agreements Act (TAA) compliance make it suitable for government and enterprise deployments. Each unit is uniquely serialized, fully tested for performance and interoperability, and backed by AddOn’s industry-leading quality assurance.
| Specification | Details |
|---|---|
| Part Number | QSFPDD-400G-PDAC2-5M-AO |
| Brand | AddOn Networks |
| Product Type | 400GBase-CU Direct Attach Copper Cable |
| Cable Type | Passive Twinax |
| Connector Type | QSFP-DD to QSFP-DD |
| Data Rate | 400Gbps aggregate (PAM4) |
| Per Channel Data Rate | 25G / 50G PAM4 |
| Cable Length | 2.5 meters |
| Compliance Standards | QSFP-DD MSA Rev 3.4, IEEE 802.3bj/by/cd, SFF-8679, SFF-8636 |
| Management Interface | I²C with EEPROM support |
| EMI/EMC Performance | 360° shield termination |
| Mechanical Features | Pull-to-release latch, low-loss, high-flex cable |
| Operating Temperature | -20°C to +80°C |
| Storage Temperature | -40°C to +80°C |
| Applications | Data centers, HPC, servers, storage, switches, routers |
| Compliance | MSA, TAA, RoHS-6 |
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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