Today we have a chance to look at our first ASUS motherboard, the TUF X299 Mark 1. The Mark 1 is listed as a durable and reliable motherboard for enthusiasts and gamers. The TUF Mark 1 sits in the middle of the ASUS product stack and carries over the armor found on previous generation TUF boards and adds an updated theme and features to the latest iteration. 

Source: AnandTech – The ASUS TUF X299 Mark I Motherboard Review: TUF Refined