PEX2S953LP - StarTech.com 2-PORT PCI EXPRESS RS232 SERIAL CONTROLLER CARD W/16950 UART/ASIX AX99100 - BI-D PCI Express to Serial Adapter | 921.4Kbps | Windows and Linux CompatibleThis RS232 Serial Adapter Card lets you add two RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot. It enables you to interact with serial devices, such as... $127.01 $70.56
PCI2S4851050 - StarTech.com ADD TWO RS422/485 SERIAL PORTS THROUGH A STANDARD OR LOW PROFILE PCI EXPANSION S The PCI2S4851050 2-Port PCI Serial Adapter Card (RS422/RS485) with 161050 UART adds two DB9 RS422/RS485 serial ports, using a single PCI expansion slot. The PCI serial card offers a high performance 16C1050 UART and supports both 2-wire and 4-wire RS485... $231.21 $128.45
PX-320 - Brainboxes 1PORT DB9 SER PCIE 1XRS422/485 PX-320 - Brainboxes 1PORT DB9 SER PCIE 1XRS422/485 $361.94 $201.08
PEX2S1050 - StarTech.com ADD TWO RS232 SERIAL PORTS (DB9) TO YOUR LOW OR FULL-PROFILE COMPUTER, THROUGH A Add two high performance RS232 serial ports (DB9) to your low or full-profile computer, through a PCI Express slotThis PCI Express serial card adds two high-performance RS232 serial ports to your desktop computer or server, for connecting your... $128.70 $71.50
PEXUSB311AC3 - StarTech.com USB-A USB-C PCI EXPRESS CARD W/MULTIPLE INS MAINTAINS MAX SPEED W/MIXED SPEED DE PCIe 3.0 | USB Type-C & USB Type-A | 5V 3A/15W via USB-C | 5V 0.9A/4.5W via USB-A | UASPThis USB 3.1 Gen 2 card lets you add one USB-C port and one USB-A port to your computer, through a PCI Express slot. It enables you to upgrade your current system by... $126.47 $70.26