Worker node plans
Every worker and storage node has a 25 GB NVMe root disk for the OS, container images, logs and ephemeral storage. Persistent volumes come from storage nodes, priced below.
Add-ons
Pay-as-you-go bills hourly per existing node; subscriptions commit the node set monthly — see Billing model. Kubernetes itself uses about 1 GB of memory per node — prefer fewer, larger nodes over many small ones.