Data Hoarder

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We are digital librarians. Among us are represented the various reasons to keep data -- legal requirements, competitive requirements, uncertainty of permanence of cloud services, distaste for transmitting your data externally (e.g. government or corporate espionage), cultural and familial archivists, internet collapse preppers, and people who do it themselves so they're sure it's done right. Everyone has their reasons for curating the data they have decided to keep (either forever or For A Damn Long Time (tm) ). Along the way we have sought out like-minded individuals to exchange strategies, war stories, and cautionary tales of failures.

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Why are 100 GB Blu-rays so much more expensive? (alien.top)

submitted 2 years ago by KingKevin-23@alien.top [B] to c/datahoarder@selfhosted.forum

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I have recently thought about burning some data to Blu-ray and therefore looked for some cheap blank discs. To my surprise, higher density Blu-rays seem to be much more expensive than lower density ones. In my country (Germany) for example, I could buy a 25 GB BD for 0,44€. A 100 GB BD would cost me 8,77€! At that price, it would be more efficient to store 100 GB on four 25 GB discs instead of one 100 GB disc (1,76€ vs. 8,77€). Sure, if it is one file I would have to split it first and combine it again when I want to access the data, but that effort seems to be worth it.

Why are high capacity Blu-rays so much more expensive, especially compared to HDDs or SSDs where the price per GB/TB usually drops with higher capacity?

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[–] Langdon_St_Ives@alien.top [B] 1 point 2 years ago

To your first paragraph: Panasonic sadly stopped production this February (which is why around that time prices for all the remaining stock of their discs basically doubled). I’m still picking up some leftovers here and there. Sony I think is now only still producing the 128GB. All their 25 and 50 GB discs I’ve bought over the last two years or so were RITEK.BR3 and VERBAT.IMf.

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