Unboxing video
Although Z77X-UP5TH resembles the Z77X-UD5H, there are other improvements over the previous design. Gigabyte has replaced the lower RDS (on) MOSFETS with the cooler IR3550 Powlstage. This makes the board cooler than before and can last longer and overclock better with less heat. In addition, the new board includes Bluetooth 40 + 300Mbps Dual Band WiFi Card.