StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 Services Microsoft Surface & Surface Pro

Microsoft Surface & Surface Pro

0 EXTENDER: Extend a USB device up to 100m/330ft over CAT5e/CAT6 RJ45 ethernet network cable w/ data transfer rates up to 480Mbps

ProArt Display PA248CRV has a space-saving base that's 33% smaller

Ultra-Low Blue Light technology

1 x Low Profile Bracket

StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 Services Microsoft Surface & Surface ProStarTech. com 4 Port PCI Express PCIe Serial Combo Card 2 x RS232 2 x RS422 RS485 The PEX4S232485 4 Port PCI Express PCIe Serial Combo Card 2 x RS232 2 x RS422 RS485 lets you add two RS232, and two RS422 485 serial ports to your PC through a PCI Express expansion slot. This PCI express serial card is a single card solution that is compatible with nearly any serial communication protocol, supporting RS 232, RS 422, RS 485 2 wire or RS 485 4 wire