This page contains information about hardware for running a polkadot/kusama validator node
It is possible to run the polkadot binary on modest hardware. The problem is that when you get in the active set you need plenty of network and cpu resources for validating, especially when para validating.
Polkadot has a benchmark function witch gives you an indication of performance against a “reference” validator.
The test were done with the command
polkadot benchmark machine on Ubuntu 20.04 LTS.
Contabo VPS S SSD
Contabo VPS M SSD
Contabo VPS M NVMe
AMD Ryzen™ 5 3600, 64 GB DDR4, 2 x 512 GB NVMe SSD (software-RAID 1)
CPU Intel Xeon-D 2141I – 8c/16t – 2.2 GHz/3 GHz,RAM 64 GB ECC 2133 MHz Data disks 2×512 GB SSD NVMe (Soft RAID)
CPU: AMD Ryzen 9 5900X – 12c/24t – 3.7 GHz/4.8 GHz RAM: 64 GB ECC 3200 MHz Data disks: 2×960 GB SSD NVMe (Soft RAID)