The one I used is this: https://www.amazon.com/gp/aw/d/B01FO2QS0O?psc=1&ref=ppx_pop_mob_b_asin_title

It worked well, had no issues with it. I had my Warthog HOTAS, TrackIR and Pedals plugged into it in my laptop.

These are the "top selling" PCIE expansions on Amazon, so I imagine they're all solid choices: https://www.amazon.com/Best-Sellers-Computers-Accessories-Internal-USB-Port-Cards/zgbs/pc/229185