KitGuru tried the Gigabyte Z170XP-SLI Motherboard
A quote from the article:
Gigabyte's Z170XP-SLI is aiming to tempt users looking for a motherboard that offers the Z170 platform's core features, but without requiring a significant cash outlay. In the Z170XP-SLI, Gigabyte offers one of the lowest cost boards to support SLI, while also retaining features such as USB 3.1, USB Type-C, and a 32Gbps M.2 connector.Gigabyte Z170XP-SLI Motherboard Review @ KitGuru