RocketPort EXPRESS 16: PCI EXPRESS serial x1, x2, x4, x8, x12 and x16 lane connectivity Low-profile or standard height compatible RS-232, RS-422, RS-485 software-selectable 16 port interfaces RoHS 2 compliant under CE High performance serial port expansion cards with speeds up to 921 kbps Support for the most popular Windows operating systems (including Windows® 10) and Linux kernels This RocketPort 16-Port RJ45 rackmount interface features 16 RJ45 connections, communication speeds up to 460Kbps, and a standard 1U 19" IT equipment rack