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 serie -