Go fourth and multi-Pi: Raspberry Pi 4 lands today with quad 1.5GHz Arm Cortex-A72 CPU cores, up to 4GB RAM...
...And more, including dual 4K monitor outputs that you'll need new cables for The Raspberry Pi Foundation has multiplied 3 by 3 and come up with 4: today a new Pi, the Raspberry Pi 4, officially launches with three times the grunt of the previous generation, the Raspberry Pi 3."