Axiom 400GBASE-FR4 QSFP-DD Transceiver for Cisco – QDD-400G-FR4-S-AX

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AxiomSKU: QDD-400G-FR4-S-AX
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In stock (278 units), ready to be shipped

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Description

The Axiom 400GBASE-FR4 QSFP-DD Transceiver delivers high-speed, long-reach optical connectivity engineered for next-generation data centers and enterprise networks. Fully compatible with Cisco systems, this module is pre-configured with application-specific firmware to ensure seamless integration and consistent performance across OEM platforms.

Built on QSFP-DD (Quad Small Form-Factor Pluggable Double Density) technology, this transceiver supports 400GBASE-FR4, enabling fast, efficient, and reliable 400-gigabit data transmission over single-mode fiber. It ensures exceptional signal integrity, low latency, and long-distance reach—ideal for cloud computing, core networking, and high-traffic environments.

Axiom modules guarantee 100% OEM compatibility, unique serialization for easy identification, and full MSA compliance. Designed for scalability and efficiency, this transceiver helps organizations enhance bandwidth, simplify upgrades, and optimize network performance.

Specification Details
Brand Axiom
SKU QDD-400G-FR4-S-AX
Product Type QSFP-DD Optical Transceiver
Form Factor QSFP-DD (Quad Small Form-Factor Pluggable Double Density)
Data Rate 400 Gbps
Ethernet Standard 400GBASE-FR4
Wavelength FR4 (4-wavelength multiplexed)
Fiber Type Single-Mode Fiber (SMF)
Cable Type Supported Optical Fiber
Transmission Distance Up to 2 km (typical for FR4)
Application Optical network applications, high-density data centers
Compatibility Cisco and all MSA-compliant platforms
Compliance Fully MSA compliant
Key Features 100% OEM compatibility, unique serialization, low latency, high bandwidth
Environment Ideal for cloud, enterprise, and carrier-grade networks

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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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