Description
The Axiom 400GBASE-DR4+ QSFP-DD Transceiver for HP (R9B42A-AX) delivers ultra-high-speed 400GbE connectivity for next-generation data center, cloud, and enterprise networking environments. Engineered for maximum performance and reliability, this transceiver is fully HP-compatible and designed to fit, function, and perform identically to OEM originals.
Axiom QSFP-DD modules are pre-configured with OEM-specific application code, ensuring seamless interoperability and avoiding any network conflicts. Each unit features unique serialization for easy identification and tracking across complex network infrastructures. Built to meet the Multi-Source Agreement (MSA) standards, the module operates flawlessly in all MSA-compliant platforms.
Supporting 400GBASE-DR4+ technology over single-mode fiber, this transceiver delivers long-reach, high-efficiency optical connectivity with minimal signal loss—ideal for data center interconnects, high-performance computing, and scalable backbone links. The QSFP-DD form factor provides high-density networking capability while ensuring low power consumption and excellent thermal performance.
| Specification | Details |
|---|---|
| SKU | R9B42A-AX |
| Brand | Axiom |
| Form Factor | QSFP-DD |
| Data Rate | 400Gbps |
| Standard | 400GBASE-DR4+ |
| Wavelength | 1310nm (4-lane parallel SMF) |
| Fiber Type | Single-Mode Fiber (SMF) |
| Maximum Reach | Up to 500m (varies by network conditions) |
| Connector Type | MPO-12/APC |
| Compatibility | HP R9B42A applications; OEM-compatible |
| MSA Compliance | Fully MSA-compliant |
| Operating Temperature | 0°C to 70°C (commercial) |
| Application | High-density data center, cloud, HPC, 400GbE links |
| Compliance | RoHS, Class 1 Laser Safe |
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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