This is what I use. Not the cheapest dehydrator, but you stack about 10 full spools in it with the shelves removed. Then put the selves back in for use with food. It's not silent, like a box fan on low.

https://www.amazon.com/gp/product/B072JZLPBC/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1