Upgrade the Creality motherboard to a V4.2.7 silent motherboard. The V1.1.5 silent motherboard is 8-bit, while the V4.2.7 silent motherboard is 32-bit.

This motherboard uses TMC2225 drivers, which can significantly reduce noise from stepper motors.

Optimized circuit: provides thermal runaway protection to effectively solve heating issues. It can be used together with the E/Z/Y/X axes.

The board comes with Marlin 2.0.1 (V1.0.1) and bootloader installed, and the firmware can be modified via a USB cable. No ISP cable or ISP panel is required anymore.

Note: It comes with free preconfigured unified firmware for Ender-3 Pro.