Brainboxes 2 Port PCIe RS422, RS485 Serial Card

2 Port RS422/485
Compatible with PCI Express x1, x4, x8 & x16 lane slots
128 Byte Tx and 128 Byte Rx FIFO
Up to 921,600 Baud
2 x DB9 connector (9 Pin Male)
Drivers for all popular operating systems
Sample Programs, Test & Terminal software
Lifetime Support
Lifetime Warranty (registration required)