These are the 2.5G PoE switches I'm considering. Servethehome liked them. Price isn't bad. They even have SFP support up to 10G. They can only be purcahsed from Amazon...
https://www.servethehome.com/ienron-hg0402xg-p-review-cheapest-2-5gbe-and-10g-poe-switch/2/