I would go smaller with lower power hardware. I currently have Proxmox running on an r530 for my VMs, plus an external NAS for all my storage. I feel like I could run a few 7050 micro’s together with proxmox and downsize my NAS to use less but higher density disks.

Also, having a 42U rack makes me want to fill it up with UPS’s and lots of backup options that could be simplified if I took the time to not frankenstein my solutions in there. But, here we are…