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QDD-2X400G-FR4 Cisco 2x400G-FR4 QSFP-DD 2km Duplex SMF Optical Transceiver

SKU:

QDD-2X400G-FR4

Weight: 3.00 lbs
Condition: Refurbished
  • Supports 2x400G data rates using QSFP-DD interface
  • Operates over single-mode fiber (SMF) up to 2km distance
  • Duplex LC connector for reliable optical connections
  • Designed for high-speed data center and telecom applications
In stock

$1,837.50
Product Overview

The Cisco 2x400G-FR4 QSFP-DD transceiver offers dual 400G lanes with a duplex LC connector over single-mode fiber, enabling 2km transmission distances. It is optimized for high-speed, secure, and efficient optical connectivity in advanced network environments.

General Information
Brand Cisco
Part Number QDD-2X400G-FR4
Technical Information
Media SMF
Type 4 x LAN WDM EML
Connector LC Duplex
Physical Characteristics
Weight 3.00
Condition Refurbished


Product Description

The Cisco 2x400G-FR4 QSFP-DD optical transceiver is engineered to deliver ultra-high bandwidth connectivity for demanding network infrastructures. Utilizing a duplex LC connector and operating over single-mode fiber, it supports data transmission up to 2 kilometers, making it suitable for both intra-data center and metro network applications.

Key Features

  • Dual 400 Gigabit Ethernet lanes using QSFP-DD form factor
  • Compatible with single-mode fiber (SMF) for long-distance transmission
  • Duplex LC connector ensures stable and secure optical connections
  • Supports reliable 2km reach ideal for medium-range links
  • Advanced modulation and laser technology tailored for high-speed data

This transceiver integrates seamlessly with Cisco networking equipment, delivering high performance and energy efficiency. Its robust design supports dense deployment scenarios in modern data centers and telecom networks.

Designed to meet evolving bandwidth demands, it provides scalable and flexible connectivity to support future network growth.


Use Cases

This optical transceiver is typically deployed in data center environments and metropolitan networks where high-capacity, medium-distance optical links are essential. Network operators and enterprises requiring scalable bandwidth benefit from its multi-lane, long-reach capabilities.

How It's Used:
  • Connecting core and distribution switches within large data centers over SMF for 2km links
  • Enabling high-speed connections between geographically close data centers or campus buildings
  • Supporting telecom network infrastructure requiring reliable 400G+ capacity over duplex LC fiber
  • Facilitating scalable network upgrades in environments demanding dense, high-bandwidth optical modules
  • Implementing high-throughput links in cloud service provider backbones

These deployments enhance network performance and scalability by providing flexible, high-capacity optical connectivity that meets evolving data transmission requirements.


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QDD-2X400G-FR4 Cisco 2x400G-FR4 QSFP-DD 2km Duplex SMF Optical Transceiver
QDD-2X400G-FR4 Cisco 2x400G-FR4 QSFP-DD 2km Duplex SMF Optical Transceiver
$1,837.50