Adapter DB9/m (RS232) - USB-A/m 0.3m

COM port assignments maintained across reboot Dual buffers for upstream and downstream data transfer Supports handshake mode Bus-powered Operating systems: Windows XP, Vista, 7, 8, 8.1, 10, 11 (note: Windows 8.1 - 10 only supported by REV 2); Windows Server 2003, 2008 R2, 2012 Chipset: Texas Instruments - TIUSB3410