The BIOS on the is an AMI UEFI skin, but it contains menus you won't see on an Asus X99-Deluxe.
ATX or Narrow-ATX (depending on the specific manufacturer branding). x99-turbo v1.31
For individuals planning to utilize the X99-Turbo V1.31 for basic computing tasks or office work, it might represent overkill and not provide the best cost-to-performance ratio. However, for its target audience of gamers, professionals, and overclocking enthusiasts, the X99-Turbo V1.31 offers substantial capabilities that justify its consideration. The BIOS on the is an AMI UEFI