<b>Creality new upgrade silentboard compatible with Ender 3/ Ender 3 Pro/Ender 3 V2/Ender 5 (Customized and Non-Standard Matching) </b> <br><br><b>This new upgraded silent mainboard does not currently come pre-installed on our Ender 3, Ender 3 Pro, Ender 3 V2 or our Ender 5 printers. At this point, the silent mainboard is a separate upgrade for all 3 Ender’s series 3D Printer. The firmware for the Ender 3 Ender 3 Pro come pre-installed, but this mainboard works excellent for the Ender 5 and Ender 3 V2 as well! For Ender 5 Ender 3 V2, you will need to install the.HEX file yourself. </b> <br><br><b>For the Ender 3 Ender 3 Pro, you just plug them in and start printing! </b>