Arnov Sharma is using a Raspberry Pi 5 as the main board in his custom Raspberry Pi 400 project. Arnov Sharma is using a Raspberry Pi 5 as the main board in his custom Raspberry Pi 400 project. Post navigation Acer Predator Orion 5000 review: Affordable, premium performance Ampere unveils monstrous 512-core AmpereOne Auroa processor — custom AI engine, support for HBM memory