Baud Rate 921.6 Kbps per Port | 256-byte FIFO | PCIe 2.0 x1Add serial communication support to your desktop computer or Small Form Factor (SFF) system. using this two-port serial card. RS-232 (DB9) support enables control and communication with a serial peripheral device.Legacy ConnectivityInstall this card to enable the continued use of legacy serial devices. preventing down time and avoiding costly upgrades. The 2-port PCIe serial card is ideal for system upgrades in a wide range of applications for logistics. manufacturing. and freight sectors. and the IT industry. such as POS equipment. security systems. A/V installations. and more.Connect with EaseThe RS-232 card features dual ports with 16C1050 UART support. 256-byte FIFO (transmit/receive). bi-directional speeds up to 921.6 Kbps per port. low-profile brackets are included for SFF systems. and serial port LED status lights. In addition. it supports Windows and Linux systems for maximum compatibility.21050-PC-SERIAL-CARD is backed for 2-years by StarTech.com. including free lifetime 24/5 multi-lingual technical assistance.