DS-2DE7A232IW-AEB(T5) is an improved version of DS-2DE7A232MW-AE(S5) with various improvements.
Read much more about that - and everything else - on the product page for the new version: DS-2DE7A232IW-AEB(T5)
We have kept the product page for DS-2DE7A232MW-AE(S5) so that you always have easy access to the documentation.