Minimum hardware requirements to run a stake pool

The latest technical specifications and supported platforms can be found on the Cardano release page in Cardano GitHub Page.

Currently the following specifications are recommended:

Servers: 1 for block producer node, at least 1 for relay node
CPU: An Intel or AMD x86 processor with two or more cores, at 1.6GHz or faster (2GHz or faster for a stake pool or relay)
Memory: 16 GB of RAM
Storage: 100GB of free storage (150GB recommended for future growth)
Operating system: 64-bit Linux (i.e. Ubuntu Server 20.04 LTS)
Broadband: a good network connection and about 1 GB of bandwidth per hour a public IP4 address
Air-gapped (Cold) environment for key management