Features: Pi is equipped with quadcore64bit ARM CortexA53 1.5GHz processor, 1GB DDR3 memory chip, with powerfulperformance. Serves HDMI2.0A display interface to support 4Kdisplay; onboard4-way USB2.0 port; 40pin GPIO; 3.5mm audiointerface. Onboard100MEthernet interface and supports WIFI transmission. The GPU of Pi V1.2 is MaliG31MP2, which supports OpenGL3.2. SKR Mini E3V3.0 adopts latest G0 series main control chip STM32G0B1RET6 or STM32G0B0RET6; Increase SPIoutput port + 3.3V power supply, external SPIsensor power supply voltage + 3.3V and +5V are optional, support the mainboard to directly supply power to peripherals. Specifications: Processor:Quadcore64bit ARM CortexA53 1.5GHz Memory chip: 1GB DDR3 100MEthernet interface Support for Run Klipper firmware GPU of Pi V1.2 is MaliG31MP2, which supports OpenGL3.2 USB interface of SKR Mini E3V3.0 board is upgraded from Mini USB to Micro USBB Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Set BTT Pi+SKR Mini E3V3.0 Control Board