PCIE x 1 to RS232 8DB9 Serial Port Card You can use the idle PCIE x 1 socket on your motherboard to expand 8 serial RS232 ports used for automatic system manufacturing and system integration.<br> PCIE x 1 to 8 serial port card is designed for POS, ATM and other applications. It can connect multiple serial port devices such as PC, terminal, modem, printer, scanner, etc. Each port has a data rate of 921.6 Kbps.<br> Provides the setting control signal, guarantees serial port equipment, peripheral compatibility allows you to install the multi-serial card in the shared PC or server.<br> The PCIE to 8DB9 expansion card is equipped with an aluminium alloy heat sink with strong thermal conductivity, which can the chip from burning out for a long time and extend the life of the adapter card.<br> In addition, the package is equipped with a small baffle of 8 cm, which can not only the use of a large PC case, but can also be used for the small PC cases of 415 x 300 x 100 mm.<br> Colour: black red<br> Material: PCB<br> Size: 95 x 55mm<br> Package Contents:<br> 3 x RS232 Expansion Card<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.