You can run a node on a wide variety of hardware and software.

In general:

- 1 CPU Intel/Amd/Arm

- 8 GB memory

- 1 TB storage SSD/NVMe

- internet

- power

There are optional bitcoin specific OSes:

- StartOS by nostr:nprofile1qqs9df4h2deu3aae83fmet5xmrlm4w5l9gdnsy3q2n7dklem7ezmwfcpg3mhxw309umxcetgdpukgumjw35xzemdd9envat4xe682cmwv3m85aehvd6kyur3dd58v7re0ymk5mmfda3ngdtdddehydr9v9jzummwd9hkutcpzamhxue69uhhyetvv9ujumn0wd68ytnzv9hxgtcxlkr9y

- UmbrelOS by nostr:npub1aghreq2dpz3h3799hrawev5gf5zc2kt4ch9ykhp9utt0jd3gdu2qtlmhct