Gigabyte LGA1151 Intel Z170 ATX DDR4 Motherboards GA-Z170X-UD5 TH World's First Intel Thunderbolt 3 Certified Motherboard Supports 6th Generation Intel Core Processor Dual Channel DDR4, 4 DIMMs Thunderbolt 3 brings Thunderbolt to USB Type-C at speeds up to 40 Gbps Intel USB 3.1 with USB Type-C support Power Delivery 2.0 for up to 36W 3-Way Graphics Support with Exclusive Ultra Durable Metal Shielding over the PCIe Slots PCIe Gen3 x4 M.2 Connector with up to 32Gb/s Data Transfer (PCIe NVMe & SATA SSD support) ATX Form Factor; 30.5cm x 24.4cm