The Single-node Evaluation Only profile only supports 2 server node configurations: 16 vCPU / 32 GiB and 32 vCPU / 64 GiB.
In current case, only core products are selected so a single 16 vCPU / 32 GiB server node is required.
Or you can substitute it with one server node and one agent node of 8 vCPU / 16 GiB each.
Each Server Node Configuration
Requires 16 vCPU processors.
Requires 32 GiB RAM.
Requires 16 GiB SSD Disk dedicated for storing etcd data.
Requires 256 GiB SSD Disk dedicated for storing cluster state data.
Requires 512 GiB SSD Disk dedicated for storing block data.