Feature: 1. Perfect Fitting: MKS PI board is a microcomputer board to ensure the high printing speed, good accuracy and easy control of 3D printer. And the sizes, mounting holes and most interface are compatible with for Raspberry Pi 3B. 2. Better Hardware: MKS PI control board has onboard 4 core 64 bit SOC, 1G bytes DDR3 memory, supports High Definition Multimedia Interface screen interface and PI TS35 screen interface, provides Ethernet port, 3 way USB interface. 3. Great Software: Providing full firmware. Just download the image file, burn it to the memory card, no need for a lot of construction work. You can use the USB port or serial port to connect to the motherboard and configure the parameters. 4. Reliable Works: 64 bit quad core for Cortex A53 RK3328 CPU, 1G byte memory DDR3. Excellent performance and easy installation. 5. Simple Connect: There are two ways to connect MKS PI to the main board, through UART or USB, very convenient. Specification: Item Type: MKS PI Control Board Power Input: DC 12/24V, 15W. CPU: RK3328, 64 bit, quad core for Cortex A53. Memory: 1G byte DDR3. Display Interface: High Definition Multimedia Interface: Supports up to 4K 60Hz display. SPI: For MKS PI TS35 with touch screen. Ethernet Interface: 100M Ethernet USB 2.0 Ports: 2 USB 3.0 Ports: 1 Motherboard Interface: Connect to the uart interface or the USB interface mentioned above. Memory Card: Operating system, A1 class 10 card is recommended. ADXL345 Interface: Supports. Package List: 1 x MKS PI Control Board1 x Heat Sink1 x USB Cable