How to get Nautilus Prime Cerebrum in Warframe?

Nautilus Prime Cerebrum is an item dropped from Void relics.
You can find the list of relics below, and click on the links to see how to get them.

Relics dropping Nautilus Prime Cerebrum

Other items:
Nautilus Prime Blueprint - Nautilus Prime Carapace - Nautilus Prime Systems
Nautilus Carapace - Nautilus Cerebrum - Nautilus Systems