I wanted the option of going to 64Gb later and given Ryzen's pickiness, I went with Kingston HyperX Fury 2x16Gb. https://www.amazon.com/gp/product/B06XKSPW5V/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1
There are no 16Gb 3200mhz sticks on the QVL (at least not for my Taichi), so if you're wanting to stick to the QVL, you'll have to go slower.