Mak World PCI Express Serial Card - 4 x RS232 (DB9) Serial Port for Win 7 / 10 (Green) Network Interface Card  (Green)

PCIe RS232 serial Controller card with 256-Byte deep FIFO per transmitter and receiver and maximum data transfer rate of 460 Kbps, is ideal for system upgrades in a wide range of applications including manufacturing equipment, PoS equipment, security devices like surveillance cameras, card readers and access panels, and environment or building control Easy to install and configure with support for a broad range of Windows operating systems, to provide two RS232 serial UART channels / ports Compliant with PCI Express 1.0a specification, compatible with 1x, 2x, 4x, 8x, and 16x PCIe bus / 4-port PCIe RS232 serial card / serial card / PCI serial card / PCIe serial adapter / Serial expansion card