1 ft USB to RS232 Serial DB9 Adapter Cable with COM Retention – USB to DB9 – USB to Serial Port Adapter

1 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART

2 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART – PCIe RS232 – PCI-E Serial Card

2 Port PCI Low Profile RS232 Serial Adapter Card with 16550 UART

STARTECH.COM SERIAL ADAPTER CARD – PCI – SERIAL – 2 PORTS

2 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART

4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART

4 Port RS232 PCI Express Serial Card w/ Breakout Cable

1 PORT RS232 SERIAL ADAPTER CARD WITH 16950 UART – PCI EXPRESS SERIAL PORT CARD – 921.4KBPS – WINDOWS LINUX COMPATIBLE

2 PORT RS232 SERIAL ADAPTER CARD WITH 16950 UART – PCI EXPRESS SERIAL PORT CARD – 921.4KBPS – WINDOWS LINUX COMPATIBLE

2-Port PCI Express RS232 Serial Adapter Card – 16950 UART – 256-byte FIFO Cache – ASIX AX99100 – Full Profile Bracket – Replacement for PEX2S952 (PEX2S953)