This page lists all the known backpack models in the galaxy.
For storing large amounts of gear or ore for example cargo ships are a better option.
Basic backpacks are a simple way to storage any type of items.
While the backpacks lack specific features that for example the mining backpacks have, they are still convenient for many situations.
Mining backpacks are backpacks specifically tailored for mining asteroids.
The mining backpack stores raw materials automatically and efficiently.