Twice, because usually it’s two sticks.
In any case, RAM failure is rare enough that quadrupling its chances is not gonna make any meaningful difference. Even if it does, RAM is the easiest thing to replace in a PC. Don’t even need to go offline while waiting for a new stick. Someone who’s got the cash to build that thing in the first place won’t be too upset by the cost of another 32gb stick either, I don’t think.
This concept isn’t new either. Factories have been using very similar methods to use the heat of the exhaust gasses to power the sensors and whatnot on top of their smoke stacks for some time now, for example.
Of course not. You need other software to rip your music from physical media, or potentially multiple other software to search and download them. You’ll need additional software to host everything over the internet. You’ll probably want a computer to act as a server. You’ll very likely need a private VPN to be able to access it over the public internet. You’ll need some networking knowledge to set everything up. Hope you’re familiar with docker. And afterwards you’ll have to manage everything yourself once they are up.
Even if you don’t search for new music very often it’s a lot of work. If you care about being able to discover new music then it’s pretty bad. There’s a reason music streaming exploded in popularity so quickly. This shit is not easy or convenient to self-host. At all. If you’re already selfhosting a bunch of stuff, then it might be worth it to add this stack on top of your existing stuff. But absolutely not worth building anything from scratch just for this.
The only part of physx in that game that I remember is that it used to cause massive performance and stability issues.