QSFP-40G-XSR4

The Arista QSFP-40G-XSR4 transceiver enables 40 Gigabit Ethernet connections over multimode fiber. It's commonly used in data centers and high-performance computing environments where high-speed, short to medium reach connectivity is required. Network engineers and IT professionals often deploy this module to upgrade existing infrastructure or expand capacity without major rewiring.

Key Features

• Delivers 40Gbps data transfer rates with low latency
• Compatible with OM3 and OM4 multimode fibers for flexible deployment
• Utilizes 850nm VCSEL lasers for efficient signal transmission
• Hot-pluggable design simplifies installation and maintenance
• Meets IEEE 802.3ba standards for reliable interoperability

This transceiver is often found in aggregation switches and core networking equipment, particularly in environments that demand fast, reliable data transport over moderate distances. It helps maintain network performance while leveraging existing fiber cabling.