2 x RS485 / RS422 Ports PCIE card, w/DB9 male cable, Low and high profile backplate

2 port RS485 / RS422 smart, normal and low profile PCI Express x1 serial card.
PCI Express x 1 compliant
921.6 Kbps maximum baud rate for super fast data transfer
128-byte FIFO and on-chip H/W, S/W power management
Low form factor suits small PCs
Drivers are provided for Windows XP / Vista / 7/8/10 (32/64 bit), Linux 2.6.x / 3.x
15 KV ESD protection