SVM: CPU virtualization
AMD-V SVM enables hardware-assisted virtualization. After installing Proxmox VE, check that the host recognizes the virtualization features before creating KVM VMs and assigning vCPUs.
64 threads describes the server's hardware; it is not a capacity commitment for 64 VMs running at full load. Capacity planning should account for concurrency, CPU utilization, and disk load on each VM.
Allocate vCPUs for actual workloads