New to Overclocking) I don't see an option to overclock my CPU in my BIOS but I'm almost positive that it supports overclocking (Asrock Z270M Pro4) : r/overclocking
ASRock > OC Tuner
ASRock X399 Taichi review - Overclocking Your Ryzen Threadripper processor
How to Overclock With ASRock UEFI BIOS - Overclocking The AMD Ryzen APUs: Guide and Results
Overclocking - ASRock Z490 Aqua Motherboard Review: The $1100 LC Monoblock Flagship
ASRock Z390 Extreme4 Motherboard Review BIOS and Overclocking
Easy Overclocking with AsRock UEFI setup utility . AMD Phenom II x 4 965 @ 4GHZ - YouTube
Ryzen 3000 Overclocking - The ASRock X570 Aqua: A $1000 Ryzen Halo Motherboard Reviewed
ASRock B450M Pro4 AMD AM4 Motherboard Review BIOS and Overclocking