B350 or X370 for future Ryzen 3 build

[Serenity_3]

What is the downside of B350? I found an Asus Strix b350 for about $81 and a prime x370 for $130. Which do you suggest?

 

[Supahos]

B350 all day, all it really lacks is SLI

 

[Serenity_3]

Ok. He can't even use sli right now because he is using a gigabyte 1060 3gb in his current system