mstdn.starnix.network is one of the many independent Mastodon servers you can use to participate in the fediverse.
Starnix is a Fediverse/ActivityPub Focused platform. Topics are mainly Technology and computer related but are not required to fall into those categories.
Not if the fans are dogshit, with the exception of cooler masters silencio fans, every 120mm I've had coil whine or failed because the barrings are cheap af.