The CISCO QSFP-100G-SR4-S is a 100G QSFP28 transceiver module designed for Cisco networking equipment. It features a hologram for easy identification and authentication. This module is compatible with Cisco switches and routers that support QSFP28 ports, offering high-speed data rates up to 100 Gbps per port. With a single module included in the package, this product is a reliable choice for enhancing network performance in enterprise environments requiring fast and efficient data transmission.