Amazon.com: Plugable 2-in-1 USB Splitter with Dual USB 2.0 Ports, Compatible with Windows, Linux, macOS, Chrome OS, USB Multiport Hub for Laptops : Electronics
USB TYPE C TO Display Port CONVERTER
USB-C to USB Adapter - Apple
Satechi Aluminum USB-C Multiport Pro Adapter - Apple
Amazon.com: Manhattan USB to Serial Converter Connects One Serial Device to A USB Port (205146) : Electronics
Usb Rs232 Serial Db9 9 Pin Adapter Cable Pda | Usb Serial Rs232 Windows Xp - Usb - Aliexpress
Mettler Toledo RS232 to USB Converter Cable for XPR Microbalances and Ultra-Microbalances | Fisher Scientific
Amazon.com: StarTech.com 1 ft. USB to RS232 Serial DB9 Adapter Cable with COM Port Retention - Up to 920 kpbs USB A to DB9 Serial Adapter (ICUSB232PRO) : Electronics
USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
USB to RS232 Adapter / Converter – CommFront
Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
StarTech.com USB to RS232/RS485/RS422 Industrial 4 Port Serial Hub Adapter - USB to Serial Converter - ICUSB234854I - USB Adapters - CDW.com
USB to RS232 Adapter with PL2303 Chipset, CableCreation 6.6 ft USB 2.0 Male to RS232 Female DB9 Serial Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras, CNC,Black - Walmart.com
Bescor 5V USB to 8V Power Converter for DC Coupler/Dummy 5VUSB8V
RS232 Adapter - TE Technology
3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | StarTech.com Europe
Buy RS232 USB to RS232C Serial Port Adapter - CNC Specialty Store
USB Cable to DB9 RS232 Serial Port Convertor
HP USB to Serial Port Adapter J7B60AA B&H Photo Video
4 Port Professional RS-232 USB 2.0 to Serial Adapter