The beast holds up to 100GB of data. More to the point, it’s recordable, and according to TDK, can support a write-speed double that of today’s 50GB BD-Rs – or 6x (216Mbps), in other words.
The disc uses TDK’s Durabis coating, announced last January, which finally allows BDs to be used without a protective cartridge, though they remain rather less resilient to scratches than DVDs.
Getting discs up to 100GB and beyond – 200GB appears to be the limit – was always part of the Blu-ray plan. TDK has talked about making 100GB BDs in the past. Alas, today’s announcement, made in Japanese-language newspaper Nihon Keizai Shimbun, gives no indication as to when these discs might actually appear on the market.
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Blu-Ray DVD’s Hit 100 GB
Source: The Register
TDK has unveiled a 100 GB Blu-Ray disc at a Tokyo exibition this week. TDK has achieved this higher capacity by making this a four layer disc that can record data at 72Mbps (bits per second), double the 36Mbps rate for current Blu-Ray Discs. More can be read at The Register and at Macworld