QSFP-40G-PLRL4 Arista 40Gbps 4x1310nm LR QSFP+ Transceiver

The Arista QSFP-40G-PLRL4 is a high-speed optical transceiver designed for long-distance 40 Gigabit Ethernet links. It operates over four separate 1310nm laser channels, enabling reliable data transmission across extended fiber runs. This module is frequently used in data centers and enterprise networks where high-bandwidth connections are essential.

Often found in core and aggregation switches, it suits network engineers and system administrators who require stable, long-range 40G connectivity. Built for straightforward integration, it helps maintain efficient network infrastructures without complex configuration.

Key Features

• Long-reach transmission up to 10 kilometers on single-mode fiber
• Four independent 1310nm laser lanes for robust data handling
• Hot-pluggable QSFP+ design simplifies installation and maintenance
• Compliant with IEEE 802.3ba 40GBASE-LR4 standards
• Low power consumption supports green data center initiatives

This transceiver is typically deployed in backbone links within data centers and large campus networks. Its ability to handle long distances while maintaining high throughput makes it a reliable choice for connecting core switches or routers.

Using this module can improve network scalability and reduce downtime by offering a stable optical connection that supports rapid data flow. It fits well where long-haul 40G connectivity is necessary without compromising signal integrity.