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Cisco QDD-400G-FR4-S 400GBASE Transceiver Module NEW

Mfr. Part #: QDD-400G-FR4-S
Brand: Cisco
Condition: Refurbished
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  • Warranty: 90-day return/replacement

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QDD-400G-FR4-S

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overview
specifications
faqs
reviews
overview

QDD-400G-FR4-S Overview

CISCO QDD-400G-FR4-S 400gbase-fr4 Qsfp-dd Pam4 1310nm 2km Dom Lc Smf Optical Transceiver Module :

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specifications

Specifications

Overview

Condition Refurbished
Brand Cisco
Stock In Stock

Key Features

Device Type Qsfp-dd Transceiver Module
Form Factor Plug-in Module

Networking

Connectivity Technology Wired
Cabling Type 400gbase-fr4
Data Link Protocol 400 Gigabit Lan
Data Transfer Rate 400 Gbps
Optical Wave Length 1271-1331 Nm
Max Transfer Distance 1.2 Miles
Features Digital Optical Monitoring (dom) Support
Compliant Standards Ieee 802.3bs

Expansion / Connectivity

Interfaces 1 X Ethernet 400gbase-fr4 - Lc Single-mode
faqs

Frequently Asked Questions

What is the primary application for the Cisco QDD-400G-FR4-S transceiver? +
The QDD-400G-FR4-S is designed for high-density 400 Gigabit Ethernet connectivity in data center environments. It utilizes 400GBASE-FR4 standards to support high-speed data transmission over single-mode fiber, making it ideal for interconnecting switches and routers within large-scale campus or enterprise backbones that require low-latency performance.
What is the maximum reach of the QDD-400G-FR4-S module? +
This QSFP-DD transceiver supports a transmission distance of up to 2 kilometers over single-mode fiber (SMF). This range is specifically optimized for regional data center interconnects and high-capacity intra-campus links, ensuring signal integrity and reliable data throughput across the specified span.
Does the QDD-400G-FR4-S support breakout configurations? +
While the module is primarily designed for 400G link-to-link applications, the QSFP-DD form factor is engineered for high-bandwidth density. Compatibility with breakout scenarios depends on your specific host switch hardware and the underlying port architecture. Always verify that your switch interface supports the required channelization before deploying these modules in a breakout configuration.
Is the QDD-400G-FR4-S compatible with existing QSFP-DD switch ports? +
Yes, this transceiver utilizes the industry-standard QSFP-DD form factor, ensuring physical and electrical compatibility with Cisco switch ports designed for 400G QSFP-DD optics. It is engineered for seamless integration into modern high-density networking platforms, minimizing the need for chassis hardware changes when scaling your network capacity.
What optical interface type does the QDD-400G-FR4-S utilize? +
This module features an LC duplex optical interface. This standard connector type simplifies cabling management in high-density patch panels, allowing for efficient use of existing single-mode fiber infrastructure while maintaining the robust performance levels required for 400G Ethernet throughput.
How does the QDD-400G-FR4-S handle heat dissipation in dense racks? +
The QDD-400G-FR4-S is built to operate within the thermal specifications of modern high-performance switch line cards. It features advanced power management and efficient thermal design to maintain stable operating temperatures, even when deployed in high-density racks alongside other active networking components.
Does this transceiver require specific Cisco software versions? +
Compatibility often depends on the specific Cisco IOS-XE or NX-OS software release running on your network equipment. To ensure the optics are recognized and managed correctly by your device, it is recommended to review the Cisco optics compatibility matrix for your particular hardware platform to confirm the minimum required software version.
What level of performance consistency can I expect from the QDD-400G-FR4-S? +
As a genuine Cisco optical module, the QDD-400G-FR4-S is factory-tested to meet strict IEEE and ITU-T standards. You can expect consistent performance, low bit error rates, and reliable connectivity under heavy traffic loads, which is essential for maintaining the uptime and throughput requirements of modern enterprise core networks.
Can BuyRouterSwitch.com provide pricing for large volume orders of QDD-400G-FR4-S modules? +
Absolutely. For enterprise-scale deployments requiring high quantities of these modules, our sales team specializes in providing competitive bulk quotes. By contacting us directly, we can review your specific procurement needs and offer tiered pricing options that ensure cost-efficiency for your large-scale infrastructure expansion projects.
Why should I purchase my Cisco QDD-400G-FR4-S modules from BuyRouterSwitch.com? +
Buying from BuyRouterSwitch.com guarantees you receive authentic, high-quality networking hardware sourced through trusted channels. Our streamlined procurement process, dedicated sales support, and focus on secure, reliable transaction fulfillment make us the preferred partner for IT managers and network engineers looking to source original Cisco components with complete confidence.
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