USB to RS-232 DB9 1-Port Serial Interface Adapter - Sealevel
HP AF628A KVM Console USB Interface Adapter - 1 Pack - USB - Keyboard/Mouse, Video - Newegg.com
Tektronix USB-488B IEEE-488 USB-to-GPIB Interface Adapter – ConRes Test Equipment
USB Interface Adapter – PowerBox-Americas
IBM 00WY984 - 4-port 16 Gbps FC host interface adapter
USB-TO-GPIO Texas Instruments | Mouser
Usb Sound Card Adapter | Usb Sound Adapter | Usb Mic Adapter | Usb Audio Adapters - Sound Cards - Aliexpress
Amazon.com: ViewTool Ginkgo USB to CAN Interface Adapter Support Windows/Linux/MAC/Android/Raspberry Pi USB-CAN Analyzer 2500VRMS Isolation Open Source Available : Electronics