Z390 vrm chart. Coffee Lake. (DONE) I guess the TITLE was a bit much. I'll be attaching screenshots to prove that the VRM's are indeed sending "1. 0, 802. Higher up on the chart = better motherboard. The PCIEX4 slot operates at up to x2 mode when a PCIe SSD is installed in the M2P connector. I'll also mention that I disagree with the widely-cited Overclock. 520v" as an target voltage when on AUTO voltages later on. 'Intel Z390 AORUS Motherboard with 12 Phases IR Digital VRM, Fins-Array Heatsink, RGB Fusion 2. Nov 27, 2018 ยท An extensive overclocking guide and VRM thermal test for the GIGABYTE Z390 motherboards. 9sgzfzdx0lciiyuyerne1mqpl0scgqquiuxixmhcu31sdynat2a