QSFP-40G-SR4-S= - Cisco Multi-Mode 40Gbps 40GBase-SR4 Fiber 150m 850nm MTP/MPO Connector QSFP+ Transceiver Module

Cisco S-Class - QSFP+ transceiver module - 40 Gigabit Ethernet - 40GBASE-SR4 - MTP/MPO multi-mode - up to 492 ft - 840-860 nm The Cisco 40GBASE QSFP (Quad Small Form-Factor Pluggable) portfolio offers customers high-density and low-power 40 Gigabit Ethernet connectivity options for data center, high-performance computing networks, enterprise core, and distribution layers applications.