ASRock X370 Killer SLI Review @ Vortez
 

As Killer SLI is an X370 motherboard, it will enjoy a host of other features including RGB lighting, 8x VR-ready USB 3.1 ports, and a HDMI 1.4a port for when used with a (currently unreleased) APU. Finished off with stylish white on black design and RGB LED lighting (along with 2x additional RGB LED strip, there are plenty of customisation options available to those concerned with creating their dream system

https://www.vortez.net/review.php?id=1299