While it is just a "dark" teaser which does not show a lot, it appears that the new Powercolor Red Devil will be using the same design as the earlier launched Radeon RX 480 Red Devil, but with larger fans and LEDs on the shroud and Red Devil logo.
Spotted by Videocardz.com, the teaser does not even show PCIe power connectors so we will have to wait a bit longer to see any details regarding this card.
As you already know, AMD is likely to unveil its new Radeon RX 500 series graphics, including the RX 580 and RX 570, on April 18th.