Topton N100 – Cost effective Router/Firewall
CPU Specs Specs Slightly more expensive but better cooling
Hardware
2-Bay NAS N1 AMD
Topton 2-Bay NAS N1 AMD Athlon 300U 4x GbE LAN, is a nice NAS unit that can be upgraded to 32 GB of RAM and can hold two HDDs or two SDDs up to 20 TBs per slot.
AMD Ryzen Soft Router – 8 CPU Router
Topton AMD Ryzen 4×2.5G Soft Router, is a powerful router or mini server with up to 8 cores 16 threads and a low TDP of 15 Watts. It sells for $340 for the 6 core, no ram no storage up to $429 for 8 cores 16 threads with 4.5 GHz.
Build your own server 32 CPU 128 GB
For around $1000 dollars you could have a pretty robust server that you can run Proxmox Virtual Environment and run hundreds of VMs or LXCs to self host your applications. You could virtualize your NAS, by running TrueNAS or other virtual NAS inside of Proxmox.
GoWin R86s
Gowin R86S (aka GW-R86S) is an affordable Intel Celeron N5100 or Pentium N6005 Jasper Lake mini PC, router, and firewall appliance with 2.5GbE and 10GbE networking that sells for $310 and up on Aliexpress.