4 Port Professional RS-232 USB 2.0 to Serial Adapter
C2G 1.5ft USB to DB9 Serial Cable - RS232 Adapter Cable - Serial adapter - USB - RS-232 - blue | Dell USA
TECKNET USB to Ethernet Adapter, Aluminum 3 Port USB 3.0 Hub with RJ45
USB 3.0 to Gigabit Ethernet Adapter, 3 Port USB 3.0 Hub | Eaton
StarTech.com USB to Serial RS232 Adapter Cable with COM Retention 1' - ICUSB232PRO - USB Adapters - CDW.com
Amazon.com: StarTech.com USB to Serial Adapter - 1 port - USB Powered - FTDI USB UART Chip - DB9 (9-pin) - USB to RS232 Adapter (ICUSB2321F) : Electronics
Rocstor Premium 5ft 1 Port USB to Null Modem RS232 DB9 Serial DCE Adapter Cable with FTDI
FTDI USB to Serial Adapter Cable w/ COM - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
Amazon.com: StarTech.com 8 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB to DB9 RS232 Hub (ICUSB2328I) : Electronics
32 Port RS-232 USB-to-Serial Adapter - Coolgear
USB-A Serial Adapter - Single Port with COM Retention | Advantage Software
4 Port Professional RS-232 USB 2.0 to Serial Adapter
StarTech.com 1 Port FTDI USB to Serial 232 Adapter Cable COM Retention - ICUSB2321F - Serial Cables - CDW.com
USB 3.0 SuperSpeed to Dual Port Gigabit Ethernet Adapter | Eaton
USB 2.0 to Serial (9-Pin) DB-9 RS-232 Adapter Cable 6ft Cable - Sabrent
Dual Port USB Adapter – NOCQUA Adventure Gear
USB to serial RS232 adapter with two ports
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com Italy
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
5-Port USB Wall Charger - AC to USB Adapter, 5V 8A Output | USB Chargers and Power Adapters | USB Cables, Adapters, and Hubs | USB and PC
