Silent function( Customized and Non-standard matching)!

• The TMC driver is super quiet!
• Bootloader installed (ISP/USB Arduino)
• Suitable for Ender-3/Ender-3 Pro /Ender-5/Ender 5 Pro（The Silent Mainboard of Ender 5 Pro V4.2.2 ï¼‰
• Firmware 4.2.7 comes pre-installed on this board

This new upgraded silent motherboard is currently not pre-installed on our Ender 3, Ender 3 Pro, and Ender 5 printers.
At this point, the silent motherboard is a separate upgrade for all Enders.

Note: If you want to update the latest firmware, please check which motherboard your machine is equipped with.