Question Please help!

Alright then?

Specs are:

Ryzen 5 1600 (Stock)
RX 570 4gb Nitro+
2x8gb DDR4 3000MHZ
600w EVGA 80+ PSU
Gigabyte A320M S2H (Max RAM speed on this board is 3200MHZ)
500gb SSD
1TB HDD
 
RAM stuck at 2133mhz 8gb, even tho I have 16gb 3000mhz, CPU-Z says 16gb ram, however still says I have my RAM at 2133mhz

Specs:
Ryzen 5 1600 (stock)
Corsair Vengeance LPX 2x8gb 3000mhz
RX 570 4gb Sapphire Nitro+
Gigabyte Ga-A320m- S2H

Also before anyone asks:

YES MY BIOS IS UPDATED! AND YES THE RAM IS IN THE CORRECT SLOTS AS THE MOTHERBOARD I HAVE ONLY HAS 2 SLOTS!
one more thing I have an Asrock B450M Pro4, so I'll date y'all if that fixes it!