Based on Xilinx Kintex-7 FPGA K7 XC7K325T PCIeX8 four fiber card FPGA, XC7K325T, PCIeX8, four optical card 1. Overview of the board main chip board using Xilinx's XC7K325T-2FFG900 FPGA, pin_to_pin compatible FPGAXC7K410T-2FFG900, supports 8- Lane PCIe, 64bit DDR3, four SFP + connectors, four SATA interfaces, embedded 16 high-speed serial transceivers RocketIO GTX, the software has a windows driver. Second, the functional and technical specifications: 8-Lane PCIe enables 5Gbps / lane * 8 = 40Gbps high-speed data transmission; the use of four 16bit DDR3 particles 64bit DDR3, the total storage capacity of up to 1GByte; 4 个 SFP + interfaces??? 4 RocketIO GTX transceivers to connect, can be used as Gigabit Ethernet interface;? 4 SATA interfaces and four RocketIO GTX transceivers connected to high-speed serial storage;? 20 pairs of LVDS differential signal through the connector J6 and FPGA is connected, the clock frequency of 100MHz;? 8 users LED lights;? a reset button;? All devices can support both commercial and industrial grades. ? Third, the software features: support for DDR3 IP, PCIe IP, GTX IP development; support for Windows drivers, four, applications software radio processing platform graphical images Net FPGA Gigabit network hardware accelerator?????