Suitable ram for my pc

[saikesav]

I have msi 890gxmg65 board I want to increase my ram.
I am using KVR1333D3N9/4G
My processor is and phenom ii x4 980be
I want to buy (KHX1600C9D3B1/4G) x3
will my system be stable if I use this ram

 

[Tradesman1]

Should be able to run the DRAM, running 3 sticks will throw you into single channel mode and may require some manual settings, if you need any help give me a holler