StarTech 2 Port Low Profile PCI Express RS232 Serial Card DB9 PEX2S952LP

2 Port ISA RS232 Serial Adapter Card with 16550 UART

StarTech.com 1 Port Full Height PCI Serial Adapter Card PCI1S550

1 Port PCI RS232 Serial Adapter Card with 16550 UAR

Startech .com Serial Adapter Card 1 Port RS232 with 16550 UART PCI1S550

Quad RS232 16550 UART/USART ISA Card

StarTech.com 7 Port PCI USB Card Adapter - PCI to USB 2.0 Controller Adapter

StarTech.com PCI 7 Port USB Expansion Card PCIUSB7