OPNSense: SATA SSD, Swap, and other RAM disks

The System:
Dell Optiplex 5040 with Intel Core i5-6500
Stock 16GB DDR3 RAM
Intel 500 series SATA SSD (180 GB) (virtually full endurance remains)

Hello there. Just set up my first OPNSense box that isn’t a Pentium Silver/Celeron SBC, and there are a lot more settings I can consider tweaking.

My system looks like this:
(I don’t understand where the 8 GB of SWAP is coming from, as Misc settings says swap is disabled (see below).

I’ve got some options for RAM disk stuff with logging.

Given this situation, is there any value to using a RAM disk for any of this stuff?
Also, where is the 8 GB of swap coming from if there’s no SWAP file? Is there a swap partition? That seems … bad … for an SSD?