I would fill my current 24RU rack like this.

24 - patch panel

23 - 48 port PoE switch with 10GB, maybe even 40/100 gb, with stacking, have a monkey create me custom length cables to each port that I need with the correct colour

22 - 48 port PoE switch with 10GB, maybe even 40/100 gb, with stacking for redunancy for my servers

21 - patch panel

20 - VM Server 1 - As many cores and RAM as can fit into a 1RU Server, 2x 10gb/40/100gb connections to both switches, as many 2.5" 8TB NVMe SSDs as possible

19 - VM Server 2 - As many cores and RAM as can fit into a 1RU Server, 2x 10gb/40/100gb connections to both switches, as many 2.5" 8TB NVMe SSDs as possible

18 - VM Server 3 - As many cores and RAM as can fit into a 1RU Server, 2x 10gb/40/100gb connections to both switches, as many 2.5" 8TB NVMe SSDs as possible

16-17 - Storage Array 1 - 12bay full of 100TB SSDs (ExaDrive EDDCT100/EDDCS100), 2x 10gb/40/100gb connections to both switches

14-15 - Storage array 2 - 12 bay full of 100TB SSDs, 2x 10gb/40/100gb connections to both switches

12-13 - Storage array 3 - 12 bay full of 100TB SSDs, 2x 10gb/40/100gb connections to both switches

1-11 - UPS with external batteries.

I would also have multiple 4G and multi-gig internet connections.