Serial Board- 8 Port RS232. Universal PCI serial board provides 8 RS232 serial ports connected by via 8x25/8x9 pin connector. 8 Port RS232 PCI 3.0 32 byte Tx & 32 byte Rx FIFOs Data rate up to 115,200 baud DB9 connector (< 481-1220') 481-1220 DB25 connector (< 481-1668') 481-1668 Drivers for all popular operating systems Lifetime warranty and support