StarTech.com 2S1P Native PCI Express Parallel Serial Combo Card with 16550 UART. Host interface: PCIe, Output interface: Serial, Expansion card standard: PCIe 1.0a. Product colour: Green, Stainless steel. Chipset: ASIX - MCS9901CV-CC, Baud rate: 460.8 Kbit/s, FIFO (First In, First Out): 128 B. Windows operating systems supported: Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64,..., Mac operating systems supported: Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS..., Server operating systems supported: Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows.... Width: 120 mm, Depth: 105 mm, Height: 20 mm