If you do not have an ASUS Aura Sync motherboard, the Delta RGB with display the Force-Flow effect (rainbow wave), which will be very colourful. Though if you do have an ASUS Aura Sync enabled motherboard, you will want to update the software to the latest to ensure compatibility. The ASUS Aura Sync software is fairly easy to understand and does allow customisation of individual components attached to the motherboard, however, when sync'd up, there are some impressive effects that are available. This includes the Comet effect, starry night, and temperature effects. Though it is worth noting that not all effects are supported, in such cases the software will prompt you to unsync the memory modules.
The RGB lighting is very bright and vibrant, and renders the RGB colours very well, matching the colours both on the ROG STRIX X370-F and the Crosshair VI Hero.
Static Red lighting.
Rainbow wave (Gradient)