Amazon.com: vantisan USB Hub 3.0 Powered, 7 Ports USB Data Hub Splitter with One Smart Charging Port and 5V/4A Powered Adapter and ON/Off Switches for MacBook, Mac Pro/Mini, iMac, Surface Pro Laptop/PC :
C2G 1.5ft USB to DB9 Serial Cable - RS232 Adapter Cable - Serial adapter - USB - RS-232 - blue | Dell USA
USB-C to 4-Port USB-A Hub with Quadruple Connection
USB-C Ethernet Adapter with 3x USB-A Ports and 1x USB-C Port with 100W PD Pass-Thru ACA951USZ
Tripp Lite RS232 to USB Adapter Cable with COM Retention (USB-A to DB9 M/M), FTDI, 5 ft. - USB / serial cable - USB to - U209-005-COM - USB Cables - CDW.com
Hi-Speed USB To DB25 Parallel Port Printer Adapter Cable