Differences between the two Alletra MP types in Adding a Datastore

[Seongbin]

In the Alletra MP plugin in morpheus version 8.0.9, 2 types are checked when trying to add a datastore:

I remember previously only Alletra Storage MP B10000 was displayed.

I'd like to know specifically what the differences are between the two types.
I've searched the documentation diligently, but I can't find any information.