Raspberry Pi

Featuring a quad-core 64-bit processor, 4GB of RAM, wireless networking, dual-display output, and 4K video playback, as well as a 40-pin GPIO header, Raspberry Pi 400 is a powerful, easy-to-use computer built into a neat and portable keyboard.

Raspberry Pi 4 is now on sale, starting at $35. This is a comprehensive upgrade, touching almost every element of the platform.