Coffeelake i7 memory

[henzzz]

I bought a coffee lake i7 and memory that is 2400 mhz, is that not enough or will it be ok

 

[Vic 40]

You already bought it so it will be fine.If you could change it,return it,would ~3000mhz be nice,but it's not a must.
Some applications these days can take advantage of higher speed ram,but that cpu is very good so it will do good anyway.