I have nextcloudAIO running on a VM with 6 vcpu, 16gb ram. No issues with performance.
The root partition is on an nvme drive, the data partition is on a HDD raid 1 array.
That VM is hosting another few services like nginx proxy manager, Heimdall, and a few other things I forget at the moment.
Never have any issues with performance
Zelensky was(is?) a comedian.
Sit him next to Trump and Vance (who are jokes), of course this was going to happen.