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I've considered getting an external Blu-ray writer and just a bunch of quality inorganic blank discs as a tape alternative archiving solution.

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That's exactly what I've been looking into lately.

Did you have any specific discs in mind?

I recently bought "Sony Blu-ray BD-R XL 128GB", but I couldn't find any info whether its organic or inorganic.

Any external BluRay reader/writer you'd recommend? (which supports disks from 25 GB up to the 128 GB you mention)?

The way I've understood it is that BDs are inorganic as long as you don't buy LTH discs.

Are all LTH discs marked on the package or how do I find out if my Bluray discs are LTH?

It should note somewhere that they're LTH discs since they're fundamentally quite different from normal HTL discs.

You might want to consider M-Discs.

AFAIK, M-Discs don't really make a that much of a difference if you're not dealing with DVDs.

Do you mean in comparison to regular BDXL Blurays?

Basically all non-LTH BDs. The way I've understood it, the big selling point in M-Disc DVDs vs. regular DVDs was the inorganic dye used in it. But if you buy a non-LTH BD, you'll have an inorganic dye anyways.

The company that actually made M-Discs also went bust and there's a lot of conflicting information on the Internet whether or not the current M-Discs are real M-Discs or not.

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