AddOn Cisco® QDD-400G-FR4-S Compatible TAA 400GBase-FR4 QSFP-DD Transceiver (SMF, 1310nm, 2km, LC, DOM, 0 to 70°C)

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Add-OnSKU: QDD-400G-FR4-S-AO
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Sale price$1,556.99 Regular price$2,452.00

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In stock (622 units), ready to be shipped

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Description

The AddOn Cisco® QDD-400G-FR4-S Compatible QSFP-DD transceiver delivers high-performance 400GBase-FR4 connectivity for modern data center, enterprise, and carrier networks. Designed for use over single-mode fiber (SMF), it supports data transmission distances up to 2km using a 1310nm wavelength via an LC duplex connector.

This hot-pluggable, easy-to-install transceiver is fully compliant with INF-8628 and MSA standards and is guaranteed to operate identically to the OEM version. Each unit is programmed, uniquely serialized, and rigorously tested for data traffic and application performance, ensuring seamless integration and reliable operation.

Digital Optical Monitoring (DOM) functionality provides real-time insight into key operating parameters, while robust ESD protection, low EMI metal housing, and RoHS compliance ensure safety and durability. TAA compliance makes it suitable for government and public sector deployments. Backed by AddOn’s industry-leading quality assurance and limited lifetime warranty, this transceiver is an ideal solution for scalable 400G optical networking infrastructure.

Specification Description
SKU QDD-400G-FR4-S-AO
Form Factor QSFP-DD
Data Rate 400GBase-FR4
Wavelength 1310nm
Reach / Distance Up to 2km
Connector Duplex LC
Fiber Type Single-Mode Fiber (SMF)
Operating Temperature 0°C to 70°C (Commercial)
Digital Optical Monitoring (DOM) Supported
Hot-Pluggable Yes
Compliance INF-8628, MSA, TAA, RoHS
Power Consumption 12W
Modulation PAM4
Lane Signaling Rate 26.5625 GBd per lane
Pre-FEC BER 2.4 × 10⁻⁴
Post-FEC BER 1 × 10⁻¹²
Connector Interface Duplex LC
Applications 400G Ethernet, Access Networks, Enterprise Data Centers
Warranty Limited Lifetime Warranty

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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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