1、It adopts 32-bit STM32F103 main control chip, 72MHZ main frequency, strong computing ability and greatly improved performance. 2、Motherboard hardware supports 6-axis output and supports 3-head printing. 3、With both in-line drive socket and external drive port, it has more expansibility and more choice. 4、Compatible with multiple drivers and special modes (uart mode of TMC2208, for SPI mode of TMC2130, etc.) There are special ports reserved, and the wiring settings are more simple and convenient. 5、Supports for Marlin 2.0 firmware and for MKS ROBIN PRO independently developed firmware. 6、High-quality circuit boards are used, and the corresponding pins of each interface are marked, making it easier to identify and modify. 7、Adopt special power chip, support 12V-24V power input. 8、Support for MKS LCD12864, for MKS MIN12864 and other control boards for display control. 9、Can be used for MKS ROBIN TFT multi-size touch screen solution. 10、Can be matched for ROBIN WIFI module for wireless printing. Item Type: 3D Printer Mainboard Motherboard Model: For MKS Robin Pro Microprocessor: STM32F103F (32-bit) Frequency: 72MHZ PCB Size: Approx. 150 x 100mm / 5.9 x 3.9in Installation Size: Approx. 142 x 922mm / 5.6 x 36.3in Number Of Extrusion Heads Supported: 3 Support Driver / Mode: For DIR / STEP, For UART, For SPI DIR / STEP supports TMC series, 4988, 8825 and other drivers. Support external large driver Support Firmware Update Path: For Marlin2.0 / MKS FIRMWARESD card Support Screen Type: For MKS robin tft series touch screen LCD12864 MINI 12864 WIFI Printing Function: Need to be used with Robin TFT module Temperature Sensor Type: NTC100K, MAX31855. 1 x Motherboard 1 x USB Cable 1 x Screwdriver 1 x Pin Line 4 x Heat Sink