I’d have my doubts but it is possible to read them into a computer. Hook a cassette player to the mic socket of your PC and there’s a programme you can use to clean up the signal and convert to .prg files!

That NAS looks nice *but* I think I’ll need to set my sights higher and go for a 4 bay enclosure. I’m already near using all of 2TB of data already! A quick look on Amazon and this Synology one looks nice. Then I need to buy the drives of course …