CR4NS200320C13 32 Bit MS35774 GD32F303RET6 Motherboard Compatible Models: For 3 V3 KE High-Quality Material: Manufactured with premium materials for durability and efficient performance. Easy Installation: User-friendly design allows for quick and easy installation, your printer back up and running in no time. Original Replacement: replacement part, guaranteeing compatibility and performance. Color: Black Material: PCB Package Contents: 1* 3D Printer Mainboard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.