The Raspberry Pi 400 offers a quad-core 64-bit processor, 4 GB RAM, wireless networking, dual-display output, 4K video playback, and a 40-pin GPIO header. It's a powerful, compact computer built into a portable keyboard. Specifications Processor Broadcom BCM2711 quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1.8 GHz RAM 4 GB LPDDR4-3200 Connectivity Dual-band (2.4 GHz and 5.0 GHz) IEEE 802.11b/g/n/ac wireless LANBluetooth 5.0, BLEGigabit Ethernet2x USB 3.0 and 1x USB 2.0 ports GPIO Horizontal 40-pin GPIO header Video & Sound 2 × micro HDMI ports (supports up to 4Kp60) Multimedia H.265 (4Kp60 decode)H.264 (1080p60 decode, 1080p30 encode)OpenGL ES 3.0 graphics SD card support MicroSD card slot for operating system and data storage Keyboard US keyboard Power 5 V DC via USB connector Operating temperature 0°C to +40°C Dimensions 286 x 122 x 23 mm (maximum)