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Main image of AddOn Juniper Networks QDD-400G-LR4-10 Compatible TAA 400GBase-LR4 QSFP-DD Transceiver (SMF, 1310nm, 10km, LC, DOM) - For Data Networking, Optical Network - 1 x LC 400GBase-LR4 Network - Optical Fiber

Alt view image 2 of 7 - AddOn Juniper Networks QDD-400G-LR4-10 Compatible TAA 400GBase-LR4 QSFP-DD Transceiver (SMF, 1310nm, 10km, LC, DOM) - For Data Networking, Optical Network - 1 x LC 400GBase-LR4 Network - Optical Fiber

Alt view image 3 of 7 - AddOn Juniper Networks QDD-400G-LR4-10 Compatible TAA 400GBase-LR4 QSFP-DD Transceiver (SMF, 1310nm, 10km, LC, DOM) - For Data Networking, Optical Network - 1 x LC 400GBase-LR4 Network - Optical Fiber

Alt view image 4 of 7 - AddOn Juniper Networks QDD-400G-LR4-10 Compatible TAA 400GBase-LR4 QSFP-DD Transceiver (SMF, 1310nm, 10km, LC, DOM) - For Data Networking, Optical Network - 1 x LC 400GBase-LR4 Network - Optical Fiber

Alt view image 5 of 7 - AddOn Juniper Networks QDD-400G-LR4-10 Compatible TAA 400GBase-LR4 QSFP-DD Transceiver (SMF, 1310nm, 10km, LC, DOM) - For Data Networking, Optical Network - 1 x LC 400GBase-LR4 Network - Optical Fiber

Alt view image 6 of 7 - AddOn Juniper Networks QDD-400G-LR4-10 Compatible TAA 400GBase-LR4 QSFP-DD Transceiver (SMF, 1310nm, 10km, LC, DOM) - For Data Networking, Optical Network - 1 x LC 400GBase-LR4 Network - Optical Fiber

Alt view image 7 of 7 - AddOn Juniper Networks QDD-400G-LR4-10 Compatible TAA 400GBase-LR4 QSFP-DD Transceiver (SMF, 1310nm, 10km, LC, DOM) - For Data Networking, Optical Network - 1 x LC 400GBase-LR4 Network - Optical Fiber

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AddOn Juniper Networks QDD-400G-LR4-10 Compatible TAA 400GBase-LR4 QSFP-DD Transceiver (SMF, 1310nm, 10km, LC, DOM) - For Data Networking, Optical Network - 1 x LC 400GBase-LR4 Network - Optical Fiber

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For Data Networking, Optical Network
1 x LC 400GBase-LR4 Network
Optical Fiber
1310 nm Wavelength
Single-mode
400 Gigabit Ethernet
400GBase-LR4
400 Gbit/s
10 km Maximum Distance
1
TAA Compli

Overview

Specs

Reviews

This Juniper Networks QDD-400G-LR4-10 compatible QSFP-DD transceiver provides 400GBase-LR4 throughput up to 10km over single-mode fiber (SMF) using a wavelength of 1310nm via an LC connector. Our transceiver is built to meet or exceed OEM specifications and is guaranteed to be 100% compatible with Juniper Networks. It has been programmed, uniquely serialized, and tested for data-traffic and application to ensure that it will initialize and perform identically. All of our transceivers comply with Multi-Source Agreement (MSA) standards to provide seamless network integration. Additional product features include Digital Optical Monitoring (DOM) support which allows access to real-time operating parameters.

This transceiver is Trade Agreements Act (TAA) compliant. We stand behind the quality of our products and proudly offer a limited lifetime warranty.

Model
Brand	AddOn

Details
Compatible Brand	AddOn

Additional Information
First Listed on Newegg	August 21, 2026

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies*

Return for refund within: 30 days
Return for replacement within: non-replaceable
This item is covered by BeachAudio Return Policy
*Subject to applicable law
Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.

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Item#: 9SIA0ZXM548483