StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART. Host interface: PCI/PCI-X, Output interface: Serial, Serial interface type: RS-422, RS-485. Certification: CE, FCC. Chipset: SystemBase -SB16C1052PCI, Baud rate: 128 Kbit/s, FIFO (First In, First Out): 256 B. Windows operating systems supported: Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64,..., Server operating systems supported: Windows 2000 Server, Windows Server 2003, Windows Server 2008 R2, Windows Server 2012. Width: 15 mm, Depth: 120 mm, Height: 45 mm