Is this ram compatible?

[tymrex]

Is G.Skill Ripjaws X Series 16GB (2 x 8GB) DDR3-1866 Memory compatible to
Asus Sabertooth 990fx r2.0 motherboard and
amd fx 8350 cpu?

 

[Ubrales]

Yes, compatible. See here under CPU, memory - http://www.asus.com/us/Motherboards/SABERTOOTH_990FX_R20/specifications/

 

[tymrex]

And with cpu?

 

[Ubrales]

And with cpu?

The CPU is an AM3+ socket - supported by the motherboard that you have chosen. (See motherboard specs linked above)