Guys over at TechPowerUP took first pictures of yet unreleased X299 motherboard.

ASROCK X299 GAMING K6

ASROCK X299 FORMULA OC

ASROCK X299-E ITX/AC

ASROCK X299 KILLER SLI/AC

ASROCK X299 PROFESSIONAL GAMING i9

BIOSTAR X299 RACING GT9

ASUS X299 TUF MARK2

ASUS PRIME X299-A

GIGABYTE X299 AORUS GAMING 9

Source: GDM