Compatible with USB 1.1 and 2.0 Bus-powered Operating systems: Windows 2000, XP, Vista, 7, 8, 8.1, 10 Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016, 2019 macOS 9.x, 8.x, 10.6 to 10.15, 11.0 Linux 2.4.31 to 4.11.x (only LTS versions) Connectors: DB9 male to USB Type-A male