ARM -M7 STM32H723VGT6:Blazing-fast,550MHz. Onboard 4 TMC2160 Drivers:4.7A Current, smooth NEMA23 Motor Control. PWM/RS485:Dual Control Modes. RepRap:Supports RRF Firmware. Wi-Fi:Remote Control. All-metal Integrated Heatsink:Beat the heat. ESD-Protected:USB Port. Reverse Connection . DC24V-DC60V:Wide Voltage Input. Signal Isolation:Optocouplers/Isolation Chips. MCU:32-bit ARM -M7 STM32H723VGT6 550MHz Memory Interface:mic-SD Card Input Voltage:V-Motor: DC24V-DC60V 10A; V-MCU: DC24V-DC60V 3A V-MOS: DC24V-DC60V 10A Logic Voltage:MCU and ESP32: 3.3V; Other Chips: DC 5V Driver Current:: 6.7A, Effective Value: 4.7A DCDC 5V Output:6A, 7A () DCDC 12V Output:1.5A, 2A () Driving Mode:4x TMC2160 in SPI mode, supports DIAG function Stepper Motor Interface:X, Y, Z, A Communication Interfaces:USB Type-C, RS485, CAN, ESP32 Endstop Interfaces:8 Pcs (X-MIN, Y-MIN, Z-MIN, A-MIN, X-MAX, Y-MAX, Z-MAX, A-MAX) PWM Output Interfaces:AUX0, AUX1, AUX2, MIST, COOL Spindle Interface: Signal Input Interface:IO-IN Detection Signal Input Interface:Probe, TOOL Expansion Interfaces:SPI, I2C, UART, Relay NOTE: The motor interfaces of the support a voltage range of 24-60V with a maximum current of 4.7A. that the voltage and current specifications of the motors you connect do not exceed these limits to prevent damage to the motors. Colour:Black Material:PCB+Components Package Contents: 1 x motherboard 1 x USB cable 1 x XH2.54 connection cable 1 x Heatsink 1 x crimping terminal set 5 x black jumper caps 10 x red jumper caps Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.