The server, or PC, or machine, what ever you want to refer to it as, is dedicated to ARK only. This has changed, I now host Dark and Light and will add a Conan Exiles server also.
It is a Core i5 3.1GHz (2400) Quad Core – 32GB RAM – 250GB SSD
I upgraded,
Dell PowerEdge R710 with dual xeon 6 core and 96Gb Ram currently. Three 240gb SSD drives run the servers for now.
Yes it is in my house, on a shelf, doing nothing but host ARK. Not blocking any ports, and has bandwidth priority in my router.
I work for my ISP, so I get a heads up most of the time if I am to have any down time. My internet connection is 400mb down, and 40mb up.