The Finisar FTL410QE2C is a 40G QSFP+ SR4 optical transceiver designed for high-speed data center networking over multimode fiber (MMF). It operates at 850nm wavelength and uses parallel optics to deliver 40 Gigabit Ethernet connectivity with very low latency and high bandwidth performance.

This module is commonly used in switches, routers, and server network adapters where short-range, high-density fiber connections are required. It supports multiple 10Gbps lanes combined into a single 40Gbps link, making it ideal for rack-to-rack connections in enterprise environments.

Specifications:

• Part Number: FTL410QE2C
• Brand: Finisar Corporation
• Type: QSFP+ 40G SR4 Optical Transceiver
• Data Rate: 40 Gigabit Ethernet (4 × 10Gbps lanes)
• Wavelength: 850nm
• Fiber Type: Multimode Fiber (MMF)
• Reach: ~100m on OM3 / up to ~150m on OM4 MMF
• Connector: MPO/MTP
• Interface: QSFP+ hot-pluggable module
• Power Consumption: Low-power design (around 1.5W class)

Features:

• Supports 40GBASE-SR4 short-range high-speed connectivity
• Uses parallel optical lanes for 40Gbps throughput
• Ideal for data centers, HPC, and enterprise switching environments
• Hot-swappable QSFP+ form factor for easy maintenance
• Digital diagnostic monitoring support (DOM)
• Designed for low latency and high bandwidth performance
• Compatible with multimode fiber structured cabling systems