The lowest spec currently tested is Intel Xeon E5-2600v2 series or higher.
Recommended setup is Xeon E5-2600v3, AMD Zen2 or higher
In theory there isn't any limit on number of cores, but anything less than 4 cores would rather slow on performance side
CPU must support Intel VT-d or AMD equivalent. Please make sure this feature is enabled in your BIOS.
Minimum 32G DDR4 or newer
Theoretically there is no theoretical minimum and system footprint is around 4GB
SSD or NVME disk 64G or more
Ideally two physical disk are installed and configured in mirror mode
Ubuntu 22.04 or newer. Debian 11 or newer is also supported albeit less tests are performed.