How to max out your inventory in No Man's Sky (and what it will cost) But how many total slots can your inventory contain and how many hold. So how do you get a 48 slot ship in No Man's Sky? Well, you can always try buying one, but it's not easy. For starters you'll need an obscene. I've found many resources talking about how to increase the number of inventory slots on the exosuit by finding drop pods or various npc.