10-3440-01

This Cisco 400GBASE-LR4 QSFP-DD transceiver module enables high-speed 400 Gigabit Ethernet connections over long distances, reaching up to 10 kilometers using single-mode fiber. It is commonly used in data centers and enterprise networks for long-reach optical links.

Built for network engineers and IT professionals working with high-capacity backbone and aggregation layer switches, this module helps extend network reach without compromising speed or reliability.

Key Features

• Operates at 400 Gbps with 4 wavelengths multiplexed on a single fiber
• Compatible with QSFP-DD interfaces for high-density applications
• Supports duplex LC fiber connectors for easy integration
• Low power consumption suitable for dense network racks
• Compliant with IEEE 802.3bs standards for reliable performance

Typically deployed in large-scale data centers, metro, and service provider networks, this transceiver module offers a practical solution for extending 400G links over longer distances. It plays a key role in maximizing network throughput while maintaining signal integrity across fiber runs.