Universal PCI providing four RS232 serial ports and one LPT port (4 industry standard 9 pin D RS232 ports bracket via a high density connector with 9 pin D LPT port on a flylead). Up to 115,200 data transfer rates and the 64 byte deep transmit and 64 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC.Includes drivers for all Windows 32 bit and 64 bit Operating Systems, including Windows 7.