PCI Express 1.0 compliant 921.6 kbps maximum baudrate for fast data transmission 128-byte FIFO and on-chip H/W, S/W flow control Low-profile form factor fits small-sized PCs Drivers provided for a broad selection of operating systems, including Windows, Linux, and UNIX MOXA CP-104EL-A-DB9M 4 Port PCIe Board, w/ DB9M Cable, RS-232, Low Profile