TechPowerUp checked out the ASRock Z590 OC Formula
A quote from the article:
The OC Formula line from ASRock returns with the Z590 OC Formula! Featuring a powerful 16-phase VRM utilizing top-tier 90 A power stages along with a 12-layer PCB and even an OLED display, the Z590 OC Formula is a dedicated overclocking monster.ASRock Z590 OC Formula Review