Startech.Com 4-Port Serial Pcie Card, Quad-Port Pci Express To Rs232/rs422/rs485 (Db9) Serial Card, Low-Profile Bracket Incl., 16c1050 Uart, Taa-Compliant, For Windows/linux, Taa Compliant - Level-4 Esd Protection (Ps74adf-Serial-Card) - Adaptador Se

StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 (PEX4S232485)

StarTech.com 4-Port Serial PCIe Card, Quad-Port PCI Express to RS232/RS422/RS485 (DB9) Serial Card, Low-Profile Bracket Incl., 16C1050 UART, TAA-Compliant, For Windows/Linux, TAA Compliant - Level-4 ESD Protection (PS74ADF-SERIAL-CARD) - Adaptador se