SegWit 2x what is it really? SegWit 2x anounced not so long time ago.

Is it true, that SegWit2x take more network traffic and disk space?

So what are the advantages of it's integration?
Segwit2x will have a larger block size. This means that the amount of data in a block will be larger, which implies that more data is being transferred and stored for each block. So yes, it will require more bandwidth and disk space.