Creality Ender 3 Pro Upgraded Silent Printer Motherboard V4.2.7. Open box item in the original packaging.  Super Quiet. Compatible with Creality Ender 3, Ender 3 Pro, Ender 3 V2, Ender 5 3D printer. PLEASE NOTICE: It only plug and play for Ender-3 & Ender 3 Pro. If you want to install it on Ender-3 v2 or Ender-5, please flash Ender-5 firmware. You can download firmware from official website.

• Driver - TMC2225 driver & Creality V0.0.6 firmware ( based on Marlin 2.0.1) for V4.2.7 board. Bootloader has been preinstalled.

• Update Firmware - Please copy the firmware file to a formated SD card with no other files in it. Turn off the printer and unplug the power cord. Insert the SD card & power cord, and turn on the printer. Wait 10s to complete the firmware updating process.

• Thermal runaway protection is enabled. The Board is Optimized by Circuit, effectively solve the Heating Problem.

• Version: V4.2.7
• Voltage: 24V Input/12V Output
• Firmware: V0.0.6/V1.0.6 based on Marlin 2.0.1
• Motor Driver Stepper: TMC2225
• TMC2225 drivers, Marlin 2.0.1 and bootloader has been pre-installed.
• Support 24V input voltage. With USB Port, can be Worked With E/Z/Y/X Axis Motor.