The Arista Networks QSFP-40G-LR4 (XVR-10061-20) is a high-performance 40 Gigabit Ethernet QSFP+ optical transceiver designed for long-range data transmission over single-mode fiber (SMF). Supporting distances of up to 10 kilometers, this module is ideal for data center interconnects, enterprise networks, and high-speed backbone applications.

Operating at a 1310nm wavelength using LAN-WDM technology, the QSFP-40G-LR4 enables efficient and reliable 40GbE connectivity across extended distances. It features an LC duplex connector and integrates four optical lanes into a single QSFP+ module, ensuring stable signal integrity and simplified deployment.

Built for compatibility with Arista switches and networking platforms, this transceiver delivers consistent performance in demanding networking environments.

Key Features

• Brand: Arista Networks

• Model: QSFP-40G-LR4 / XVR-10061-20

• Type: 40GBASE-LR4 QSFP+ Optical Transceiver

• Data Rate: 40Gbps

• Distance: Up to 10km

• Fiber Type: Single-Mode Fiber (SMF)

• Wavelength: 1310nm (LAN-WDM)

• Connector: LC Duplex

• Form Factor: QSFP+

• High-performance long-distance connectivity

• Designed for Arista networking platforms

• Condition: New / Factory Sealed

Applications

• Data center interconnects
• Enterprise network backbone
• High-speed aggregation networks
• Cloud and virtualization environments
• Long-range 40GbE connectivity

Package Includes

1 × Arista QSFP-40G-LR4 / XVR-10061-20 40G QSFP+ Optical Transceiver – New / Sealed

This module provides reliable and efficient 40GbE long-distance optical connectivity, making it an ideal solution for modern high-performance networking infrastructures.