I have had a certain hard drive fail around 13000-14000ft. This one was rated at 10000ft. There are "ruggedised" laptops with drives rated to 15000ft. There are also laptops with drives in a sealed (non-vented) case which presumably go higher.
It's a fun Q to ask whether some or all hard drives in airliner avionics need to work with the cockpit fully depressurised
Nowadays, there is no point in a HD audio player. One can get thousands of songs on a flash one.