The Raspberry Pi 400 is a newer, faster version of the Raspberry Pi 4, but built inside of a compact keyboard! This full-fledged Linux PC costs $70.
Meet the Raspberry Pi 400, a $70 Linux PC Hiding Inside a Keyboard - OMG! Ubuntu
Buy a Raspberry Pi 400 Personal Computer Kit – Raspberry Pi
Raspberry Pi 400 -Is a computer in a keyboard - Awesome computing device!
Setting up Packet Radio on a Raspberry Pi (5 thru Zero-W) running Raspberry Pi OS Bookworm, Bullseye, Buster, Stretch or Jessie
This keyboard is a $100 computer!!! - Raspberry Pi 400
Raspberry Pi 400 is a mini computer hidden inside a keyboard - GeekBite
The Raspberry Pi 400 - Teardown and Review
Buy MibsTech Raspberry Pi 400 Computer Inside Keyboard US Layout Online at Low Prices in India
Getting Started with the Raspberry Pi 400
The Raspberry Pi 400 - Teardown and Review