sounds like PCIe, as mentioned. there are a few FPGA dev kits which are set up this way. I have one which has a dual core Atom CPU and a large FPGA connected

sounds like PCIe, as mentioned. there are a few FPGA dev kits which are set up this way. I have one which has a dual core Atom CPU and a large FPGA connected via PCIe, and the speed is fast.