Right now from Hetzner you can get a dedicated server with 6c/12t Ryzen2 3600, 64GB RAM and 2x512GB Nvme SSD for €37/mo
Even if you just served files from disc, no RAM, that could give 200k small files per second.
From RAM, and with 6 dedicated cores, network will saturate long before you hit compute limits on any reasonably efficient web framework.
Right now from Hetzner you can get a dedicated server with 6c/12t Ryzen2 3600, 64GB RAM and 2x512GB Nvme SSD for €37/mo
Even if you just served files from disc, no RAM, that could give 200k small files per second.
From RAM, and with 6 dedicated cores, network will saturate long before you hit compute limits on any reasonably efficient web framework.