Looks great now.

Just close the door.

What is going on in this picture? What devices are there and what are they doing?

Why do you have 17 mini pc? What are you doing with them?

Meh, this isn’t what is seems. OP is just being cute. My guess is that he is imaging these hosts from a WDS server or similar. I’ve done deployments that mimic this setup exactly (though considerably more neatly), and its very typical to misconstrue what is actually happening at a glance.

Mount the mini PC into shelves inside a server cabinet.

Patch panels for shorter and clean Ethernet cable runs.

Server rack mount power supply, instead of bricks plugged into power strips.

I was up against this last year, 130 Lenovo m75Q’s, how to fit 130 into a 42u rack including powerbricks. Solution was 3d printing.

what is the use case for this?

Get some 2x2 boards, a crown stapler, and window/door screen and make 3 panels big enough to cover the exposed sides. I did that and everyone said it looked cool. And it only cost like $40 because I already had the crown stapler.

Get a cheap UCS or super micro server on eBay. You can get a stupid number of cores and RAM for just about nothing, then you have one box, and altogether probably a LOT less power draw

Low hanging fruit: ditch the dumb switches and get a 48 port or something. Place it on the shelf above. If you’re using the two switches to ensure that you have more throughput per machine considering putting in a 10gbit uplink. Beyond that consider mounting/stacking the monitors differently and changing out the wood shelves for metal shelves for airflow. The trick is to know in which direction they dissipate heat. If they’re fanless the heat is gonna go up which will limit your ability to stack.

Have a look here for some ideas racksolutions

What are you running here?

Personally I’d buy big power supply at the voltage it needs, get some board with fuses and connect all to that.

But it seems you need few more shelves and pack of zip-ties first.

I only have a passing interest in homelab stuff, but I just wanted to say that I got really excited because I thought those were a bunch of PS2s. Thought this was gonna be some weird FFXI or Battlefront LAN system.