For a full set, you will need to collect all the armor parts. It is available as mission reward QL 75+, drops from mobs and is found in chests. It is also available in shops up to QL 125. The Nano Programming Interface can be bought from tools terminals. Inactive OT Metamorphing Liquid Nanobots are in armor and clothing components terminals. Notum Chips and Notum Fragments drop from mobs and are found in chests.
CAS Armor is an upgrade from the Organic/Graft Armor version. To start we must prepare the item that makes the upgrade: