I rather like the zynq fpga. Here's one hooked up o 1m synapses (at 70mw) http://openaccess.thecvf.com/content_cvpr_2017/papers/Amir_A_Low_Power_CVPR_2017_paper.pdf -- Dave Täht CEO, TekLibre, LLC http://www.teklibre.com Tel: 1-669-226-2619