ROG MAXIMUS Z790 DARK HERO is RPL-S Refresh platform Motherboard with Thunderbolt Maple Ridge 2 Port design(2 port Type-C), and HW schematic and Layout / BIOS / PD as same as design is the ROG MAXIMUS Z790 HERO,and the new product ROG MAXIMUS Z790 HERO BTF HW schematic and Layout / Bios / PD is the same as ROG MAXIMUS Z790 HERO and ROG MAXIMUS Z790 DARK HERO, and the difference is design that places the power connector, SATA connector, M.2 slot, and various pin headers on the back side, minimizing cable exposure on the surface.