Asrock Z370 Pro 4 vrm thermal pad replacement. Original pad was 1mm thickness, replaced with 0.5mm thick Gelid Extreme pad. Board doesn't have a temp sensor for the vrm's but cpu does
ASRock Z370M Pro4 - Analyzing Z370 for Intel's 8th Generation Coffee Lake: A Quick Look at 50+ Motherboards
ASRock Z370/OEM Motherboard LGA1151 DDR4 M.2 NVMe WiFi SATAIII DVI ATX Mainboard for sale online | eBay