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 Z270m Pro4 LGA 1151 Intel Z270 Micro ATX for sale online | eBay
ASRock Z270M Pro4 LGA 1151 Intel Z270 HDMI SATA 6Gb/s USB 3.1 Micro ATX Motherboards - Intel - NeweggBusiness