C2G Cisco QSFP-40G-SR4 Compatible 40GBase-SR MMF QSFP+ Transceiver Module - For Optical Network, Data Networking 40GBase-SR - Optical Fiber Multi-mode - 40 Gigabit Ethernet - 40GBase-SR - 40 Gbit/s - Hot-swappable"

With 40GBase-SR technology, enjoy up to 40Gbps data transfer rate over optical fiber cable Supports optical fiber cable for durable performance, minimal signal loss, and fast data transfers to greater distances 40Gigabit Ethernet - Designed to provide high-performance Ethernet connection while minimizing power and CPU cycles utilization