I bought a 16GB RAM which specified a speed of 3200 MHz. However, when I open task manager, it shows my RAM speed is only 2133 MHz. Am I doing something wrong? - Quora
FIX - Ram Running at 2133 Mhz Instead of 3200 Mhz - YouTube
3200 DDR4 Doesn't run above 2933 and resets to 2133 | [H]ard|Forum
Gaming on DDR4 Memory: 2133 vs 2666 & 3200MHz, 8GB vs 16GB