Quality USB Serial Adapters for Windows 7, 8 and Windows 10 USBGear Providing the Best USB Serial Adapters in the Market. Offering FTDI USB Serial Chip sets in many products.
USB-to-Serial Industrial Adapter Dual Port DB-9 RS-232 USB to RS-232 Adapter Supports Windows 10, 8, 7 and Vista (32 and 64-Bit) - Metal case with DIN-Rail USB-2COM-M USB to Serial Adapter.
Professional USB to 8 port serial adapter control box supporting 8 DB9 Male connections is designed for serial port expansion via you host USB bus connections. Installs as a Windows COM port with full RS232 signal.
The USB2-8COM-M USB Octal Serial Adapter is designed to make serial port expansion quick and simple. Connecting to a USB port on your computer or USB hub, the USB Quad Serial Adapter instantly adds eight RS-232 serial communication ports to your system.