What is the expected 9840 tape longevity?

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Tape media longevity can be broken down in to 2 sections:

1) Shelf life; What is the estimated time a tape can retain the data that is stored on it.

2) Usage life; How many times can a tape be accessed before it becomes reliable.

Shelf life: The 9840 tape media shelf life is 15 to 30 years. The environment is specified as 18°C to 26°C (65°F to 79°F) with 40% to 60% relative humidity (non-condensing).

Usage life: The 9840 tape cartridges are specified at 80.000 write/read passes minimum. A minimum of 10.000 loads/Unloads is specified as well.