This Wanhao i3 V2.1 Motherboard is stocked as a replacement part to fit the Wanhao Duplicator i3 and caters to many of the small problems relating to safety and functionality that were apparent in previous iterations. It is a Wanhao Original Part, supplied directly by the manufacturers who make the Wanhao 3D Printers, and can be used as either a replacement or an upgrade if you still have an older version of this motherboard.
The Wanhao V2.1 Motherboard is a main control board for the i3 and is essentially the brains that controls the main control board as well as other parts within the printer. And while previous versions of the board had small efficiency and safety problems like a slight chance of overheating or melting connection ports, this newer version has been changed to ensure that these small problems never occur.
Whether you are purchasing this board as a replacement part or as an upgrade for your printer, you can rest assured that it is of the highest quality thanks to the fact that it is a Wanhao Original Part.