What are the hardware requirements for a validator node? Daria Samoylova June 05, 2019 15:03 Follow For testnet, 4GB RAM, 2 CPUs, and 25GB of disk. For mainnet, 8GB RAM, 4 CPUs, and 20GB of disk per month of operation. Related articles Is a hardware security module (HSM) necessary? What is a sentry node? Comments 0 comments Please sign in to leave a comment.