The Raspberry Pi 400 is a complete computer kit designed for casual computing. With a Broadcom BCM2711 processor and 4 GB of RAM, it offers fast performance and smooth graphics through its Integrated/On-Board Graphics GPU. Its compact white keyboard PC form factor makes it easy to use and connect with various devices through Micro-HDMI, USB 3.0, and USB 2.0 ports. It also features built-in Bluetooth and Wi-Fi adapters, built-in storage with a MicroSD card slot, and does not include an operating system.