The smallest single-board computer you can get - Raspberry Pi 4 Model B with case, power supply and 32GB micro SD card. 1.5GHz 64-bit quad-core ARMv8 CPU, 2GB RAM Dual-display output via two Micro HDMI ports, up to 4K resolution, hardware video decoding, dual-band 2.4/5.0 GHz wireless, Bluetooth 5.0, Gigabit Ethernet, 4 USB ports, and PoE capability. 6 months old, works perfectly