Name: 10-3481-01 Cisco 400GBASE-LR4 QSFP-DD 400G 10km Single-Mode Fiber Transceiver
Brand: Cisco
SKU: 10-3481-01
Price: 686.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Cisco 400GBASE-LR4 QSFP-DD transceiver module is a high-speed optical device designed for 400 Gigabit Ethernet connections over single-mode fiber. It fits into Cisco switches and routers to facilitate long-reach data transmission, generally in data centers and metro network segments where maintaining high bandwidth over distances up to 10 kilometers is essential.

General Information
Brand	Cisco
Part Number	10-3481-01

Technical Information
Form Factor	SFP-DD
Media	SMF
Type	4 x LAN WDM EML
Power Consumption	≈12 W (typical, max ~12–13 W)
Protocols	400GBASE-LR4
Connector	LC Duplex
DOM Support	Yes

Physical Characteristics
Weight	3.00
Condition	Refurbished

Product Description
This Cisco 400GBASE-LR4 QSFP-DD transceiver module provides high-speed data transmission over long distances using single-mode fiber. Often found in enterprise data centers and service provider networks, it connects critical infrastructure with reliable 400 Gigabit Ethernet links. Built for environments demanding high bandwidth and low latency, the module supports up to 10 kilometers reach, making it suitable for metro and campus backbone applications. Network engineers and IT professionals rely on this transceiver for efficient scaling of their optical networks. Key Features Delivers 400G Ethernet connectivity via QSFP-DD interface Extends transmission up to 10 km on single-mode fiber Complies with IEEE 802.3bs standards for performance Designed for seamless integration with Cisco switches and routers Features low power consumption to reduce operational costs Typically deployed in large-scale network environments, this transceiver helps maintain high-speed links between data centers and core network nodes. Its ability to manage long-distance connections without signal degradation supports growing data demands effectively.

Use Cases
The Cisco 400GBASE-LR4 QSFP-DD transceiver is primarily utilized in environments requiring high-capacity, long-distance optical connectivity such as large-scale data centers and metro network infrastructures. It is well-suited for IT professionals managing scalable network backbones that demand sustained 400G throughput over single-mode fiber. How It's Used: Interconnecting core switches in hyperscale data centers for high-density rack deployments. Extending 400G Ethernet links across metro networks to support service provider aggregation layers. Facilitating high-bandwidth connections in virtualization environments where low latency and long reach are critical. Linking storage clusters distributed across campus or enterprise facilities with reliable 10 km fiber spans. Supporting edge computing sites requiring 400G backbone connectivity to central data centers. By enabling 400G data transmission over 10 km single-mode fiber, this transceiver helps organizations maintain performance and scalability across distributed network architectures. It provides an effective solution for infrastructures that require combining high throughput with extended reach without compromising operational efficiency.

10-3481-01 Cisco 400GBASE-LR4 QSFP-DD 400G 10km Single-Mode Fiber Transceiver

Product Overview

General Information

Technical Information

Physical Characteristics

Product Description

Use Cases