So my motherboard and CPU are a bit old. My motherboard is Gigabyte B450M S2H and my CPU is Ryzen 5 2600. According to my motherboard's specification, it should support DDR4 3600(O.C.)/3466(O.C.)/2933/2667/2400/2133 and according to my CPU, the system memory specification is up to 2933MT/s. So...