Gigabyte's Firmware AutoUpdate Feature Is Rather Insecure - PC Perspective
Gigabyte B450M S2H Motherboard CPU AM4 AMD Ryzen DDR4 DVI HDMI VGA Gaming LAN | eBay
B450M S2H (rev. 1.x) Key Features | Motherboard - GIGABYTE Global
B450M-S2H-V2-rev-1x|AORUS - GIGABYTE Global
Dirt cheap Gigabyte B450 S2H is surprisingly capable of 3800 MHz RAM at 1900 FCLK (even official site only lists DDR4 3600 as a maximum supported frequency) : r/overclocking