For low cost desktop PCIe with memory and I/O there are these two offerings: https://numato.com/product/galatea-pci-express-spartan-6-fpga-development-board htt

For low cost desktop PCIe with memory and I/O there are these two offerings: https://numato.com/product/galatea-pci-express-spartan-6-fpga-development-board https://numato.com/product/galatea-pci-express-spartan-6-fpg... The galatea from numato is pretty affordable and has 2Gb (256MB) of onboard RAM and comes with a dual ethernet and pmod breakout board from Amazon for $300 USD. http://www.latticestore.com/products/tabid/417/categoryid/59/productid/22434/default.aspx http://www.latticestore.com/products/tabid/417/categoryid/59... The lattice ECP5 PCIe board comes with I think 128MB DDR3 and dual gigabit ethernet. And for boards without memory but lots of I/O there is Mesa Electronics: http://www.mesanet.com/ http://www.mesanet.com/ CNC oriented but you can do whatever you want with the FPGA.