gigabyte b450 m ds3h

Hey guys lets see I bought 2 ram stick 8GB 2666mhz Adata xpg gammix D30 and since im use them in dual channel in my motherboard gigabyte B450m- DS3H it brought problems like freezing my pc for a while then "refreshing" and starting again a lot of times until goes to blue screen saying the...

gigabyte B450 M ds3h i wass going the buy the ds3h but i am skeptical about the fans headers there is just 2 and i want to use a case with 3 to 4 fans + cpu fan. with R5 2600 rx 550,or 570 not planing for an upgradability path. its okay to use the fans splitters? one header for cpu fan +...