Gigabyte Z390 UD Motherboard with 10+2 Digital PWM Design, supports 2-Way CrossFire Multi-Graphics, PCIe Gen3 X4 M.2. With Smart Fan 5 users can ensure that their gaming PC can maintain its performance while staying cool. Ultra Durable PCIe Armor, the innovative one piece stainless steel shielding design from GIGABYTE reinforces the PCIe connectors to provide the extra strength required to support heavy graphics cards.