Compatible with Ender 3/Ender3 V2/Ender 5/Ender 5 Pro 3D Printer

Creality upgrade V1.1.5 silent motherboard to V4.2.7 silent motherboard. V1.1.5 silent mother is 8 bit but V4.2.7 silent mainboard is 32 bit. This silent motherboard adopts TMC2225 drivers, which can reduce the stepper motor noise greatly. Optimized Circuit: enabling thermal runaway protection to effectively solve heating problems. Could be used in combination with E/Z/Y/X drive axle. Marlin 2.0.1 (V1.0.1) and Bootloader installed,the firmware can be modified with an USB cable. It does not need an ISP cable anymore.