The StorageTek PowderHorn 9310 is a tape library that has a total capacity of 28.8 petabytes in 24 library storage modules, each with 6000 slots. It also has a robot arm that can remove the cassettes.
This model of the StorageTek PowderHorn 9310 is only a fraction of the original library. There is still a quarter and the robot arm left.