Intel X299 platform launching on May 30th | VideoCardz.com
Amazon.com: Asus Prime X299- A II ATX Motherboard (Intel X299) LGA 2066, 12 IR3555 Power Stages, DDR4 4266 MHz, Triple M.2, USB 3.2 Gen 2 Type-C, Intel LAN and Aura Sync RGB Lighting : Electronics
Gigabyte X299 UD4 Pro Motherboard Black | Techinn
ASUS PRIME X299-A LGA2066 DDR4 M.2 USB 3.1 X299 ATX Motherboard for Intel Core i9 and i7 X-Series Processors Intel Motherboards - Newegg.com