2-Port Low-Profile PCI-Express RS232 Serial Card w/ 16550 UART
RS-232 Serial Controller - 2x 9-Pin RS-232 Serial External Ports - PCI-Express 1.0 X1 Slot - Low-Profile - ASIX/MosChip MCS9922CV-AA Controller - No Cable(s) Included - Retail Box - Windows / OS X / Linux Compatible - 16550 UART - 2 Year Depot Carry-In Mfg. Warranty