2990WX build freezes about 3 times a day. Screens go black, can't shutdown, have to hold power button or flip switch on PSU. Can be doing anything - it's even happened after I have walked away. No motherboard utility software is loaded. When I swapped motherboards I also did a clean Windows install. I have used 3 different sets of RAM, 2 different motherboards, and 2 different PSU's. Here is the current build:
MSI X399 SLI Plus Motherboard, 2990WX CPU, 64gb RAM on approved list (CMK64GX4M4A2666C16), MSI RTX 2080 video card, Seasonic 1300W PSU, and 2 Samsung 970 pro 1TB ssd's in RAID 1. XMP is off. No overclocking. Things I haven't tried: swapping video card, swapping hard drives. My first motherboard was Gigabyte Designaire with a Corsair 850 watt PSU. What am I missing? Ryzen Master shots (under full load and idling) and CPU-Z shots attached. Any help appreciated. Thanks!