New models vs old models

[GibsonLP]

Hello.
Havn't been around for a while and I noticed that there was a large revamp on the entire readynas line.
I wanted to help a friend buy a NAS and thought that he might get the Ultra4 or Ultra4 plus.
Which of the new models would be comparabale to these 2? Is the 104 better or not as good as the ultra4 (non plus fwiw).

Thanks!

[mdgm-ntgr]

The 104 has an ARM CPU. The model in the new lineup that replaced the 4-bay Ultra/Ultra Plus/Pro would be the 314.

[GibsonLP]

Thanks.