StarTech.com PEX2S953LP. Host interface: Mini PCI Express, Output interface: Serial, Expansion card standard: PCIe 1.1. Mean time between failures (MTBF): 222366 h, Certification: CE, FCC. Chipset: Asix AX99100, Baud rate: 921.6 Kbit/s, FIFO (First In, First Out): 256 B. Windows operating systems supported: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10..., Server operating systems supported: Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows.... Width: 2.64" (67 mm), Depth: 3.86" (98 mm), Height: 0.709" (18 mm)