What causes my Fps drop?

[gpetalidis]

Hello there! I have the following specs :

MSI B350 PC MATE
AMD Ryzen 7 1700
ASUS GeForce GTX 1060 DUAL
1x Corsair Vengeance LPX DIMM 16GB DDR4-3000 Kit
Samsung 850 Evo 500GB
Thermaltake TR2 S 700W

I have updated to the latest nvidia spec and the temperature of the system does not exceed 72 degrees Celsius.
The issue appears after a few games where the fps from 70 goes down to 20 and some spikes become a real issue in the gaming.

I will highly appreciate your help.

 

[norcalsc]

Your single channel ram is likely your issue, due to infinity fabric of ryzen architecture dual channel ram is recommended. Single channel ram will hamper gaming performance tremendously

 

[gpetalidis]

Actually i have a dual channel ram 2x corsair Vengeance * my mistake. So it is not probably that.