The QSFP-40G-LR4-S-3 is a 40Gbps QSFP+ LC transceiver module designed for use with Cisco equipment. With a maximum data rate of 40 Gbps, this module offers high-speed connectivity for enterprise networking applications. It features a compact design with dimensions of 0.5 inches in height, 4.0 inches in length, and 0.7 inches in width. The module has a single port and eight connectors, making it ideal for high-density network environments. The QSFP-40G-LR4-S-3 is part of the QSFP product line, ensuring reliability and compatibility with a variety of networking setups.