Connect to a GbE network through your laptop s USB-A port using the Gigabit SFP of your choice - USB to Fiber Optic Converter with open SFP slot compatible for MSA compliant SFP modules - Fiber-to-the-desk connectivity (FTTD) maximizes network security reducing the risk of data leaks - USB 3.0 Ethernet Network Adapter with certified drivers for Windows / macOS / Linux - 1000BASE-SX/LX - USB 3.0 to Gigabit Network Adapter provides a fiber network connection to laptops or tablets (bus powered)