Confirmed: 5800X can run with MSI B350 Tomahawk (AGESA 1.1.0.0, v.7A34v1Q2) : r/Amd
MSI B350 PC Mate AM4 ATX Motherboard B350 PC MATE B&H Photo Video
MSI B350 PC MATE [24/73] CPU Socket
Socket Am4 Msi B350 Pc Mate Motherboard Amd Ryzen Athlon Ii Ddr4 1866mhz Pci-e 3.0 M.2 Ssd Crossfire Amd B350 Placa-mãe Am4 Used - Motherboards - AliExpress
MSI PRO B350 PC MATE AM4 ATX AMD Motherboard - Newegg.com
MSI B350 PC Mate Motherboard - Enthusiast in Disguise - YouTube
Amazon.com: WWWFZS Motherboards Socket AM4 Fit for MSI B350 PC Mate Motherboard Fit for AMD B350 DDR4 64GB AMD RYZEN Desktop B350 Mainboard PCI- E 3. 0 AM4 DDR4 M. 2 B350 : Electronics