Can a "rack" server be used as a game server?

[Clipper]

That's it.
It's a bit of a "pipe dream" or not.
But as in the job, the cabinet I chose for the rack is big enough to have space for a two-slot server.
The silly question is, can a rack server, for example with two Xeons and X RAM plus SSD, work as a gaming server?
Best regards

[cobito]

The last time I messed around with game servers was with Counter-Strike Source (of which I made a little guide), so I'm pretty out of date.

Power is what you need to have. In the end, any machine that meets the architecture and operating system will work. And if it's a relatively recent CPU, it will meet the performance needs.

In its time (2005-2006) the CS:S server needed a relatively demanding machine that, at the time, was an Athlon XP 2000+ with 512MB of RAM. At that time, the biggest bottleneck was the Internet connection because it only had 1Mbps upload, so you had to play a lot with the server's parametrization so that as many players as possible could enter. And that's not counting the ping that ADSL added (even if it was in fastpath mode). To this day, that limitation has completely disappeared.

Here the only question is whether it's worth it. I don't think a game server is especially parallelizable in terms of CPU, so unless you're going to run several servers simultaneously, it's possible that a machine with a dual Xeon will end up being too underutilized.