I grasped the nettle and transferred most, not all, of my collection to external hard discs some years ago.
I'm a bit of a hoarder by nature and couldn't bring myself to do any ' paring' so HDD was the obvious way to go.
I haven't regretted it and now have ten HDD , the latest two are 3TB which gives me plenty of leeway.
I play them through a gizmo called a Link Station which converts a USB input into both audio and HDMI output.
Converting my 5000 odd cds to WAV was a huge job but worth the effort and no more rummaging through boxes stashed here there and everywhere.