Anyone using a POE-HAT for RPi?

Anyone using a POE-HAT for RPi? Going to use a Mikrotik hEX S as the router for the poe injector.

@aeonaura I am using a PoE Hat for both the Pi3 B+ as well as the Pi4 2GB and 4GB versions just fine.
None of them are running a storagenode, if you intend to use it for that.
I would not use it when attaching big peripherals as 2.5 disks via USB as its not designed to deliver that much power via that hat. I had initially problems powering a 3.5 inch screen via the GPIO Pins, especially when the CPU had more load on it.