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400GB Blu-Ray?
William Henning - Monday, July 7th, 2008 | 12:57PM (PT)


Lotsa storage

Pioneer has developed a Blu-Ray read only disk that stores 400GB on sixteen 25GB layers.

The laminated sixteen layer disk is especially impressive as it required new techniques to reduce the "cross-talk" (interference from other layers) so that the data at each of the sixteen layers can be recovered reliably.

Each layer retains compatibility with the Blu-Ray standard, however it is unlikely that existing Blu-Ray readers would be able to read these disks.


400GB Blu-Ray? Image 1
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Comments:

July 7th, 2008 1:03PM(PT)
bruceleethree
ill take a stab at this and say...fully uncompressed, raw resolution video and audio in games and movies for that quad HD technology of 4K resolutions becomes a reality in home theatre systems?

my god technology is growing so fast, im glad im alive during the time it all started, because this feels great!
July 7th, 2008 1:35PM(PT)
VeGiTAX2
I think they're hoping to get a leg up on holographic storage for the next gen.

The wall will come up soon when film scanning ends up running into walls as they reach the 6k barrier.

Quad HD is an odd name to hear, they've had 4K projectors for a while, they just cost a mint to own and they probably will for a while to come.

For gaming they'll need to work on their bandwidth and hardware before they ever launch fully uncompressed games. XD Wouldn't be hard for a 4K movie to cook HDD's and optical drives in a short span given the data rate that it'd need to work at.
July 7th, 2008 3:50PM(PT)
The Slayer


16 LAYERS?!?!
July 7th, 2008 4:26PM(PT)
lord monkey
Amen bruceleethree

Holy crap, I can't wait to see 5 years from now... 4 TB floppy disks basically.
July 7th, 2008 9:24PM(PT)
VeGiTAX2
Given the rate of holographic storage you'll see them hitting it before blu-ray at this point given that they're fighting to reach 4TB first. They've already fought to 1TB with a rival holographic group claiming a 1.6TB disc, 1.6TB I could store my entire system on a disc with 100GB to spare D:
July 7th, 2008 10:37PM(PT)
Epic Fail Guy
Heh, enjoy waiting the 16 years it would take to write to that 400GB disk...
July 8th, 2008 12:10AM(PT)
THM
600 layers Blu-ray discs or equivalent future optical discs will arrive in 2055!!!

Evolution is the law of life or technology anyway!!! It does not surprise me!!!
July 8th, 2008 1:51AM(PT)
tallteen86
Lol THM, they wouldn't do that, just the physical requirements to make that many layers would make for a pretty thick disk >_> No, they'll use something else, perhaps something not known to many people yet....

Yeah, well, the only people that would use this 400GB disk (if it is ever used commercially), would be big companies looking to back up their data.....In fact, that is one of the target markets for Blu-ray, from the start, if I remember correctly....

Lol, a while ago, we heard that the 'theoretical limit' of blu-ray was 300GB....So much for that >_>

Why not just use 8 layers of 50GB though?
July 8th, 2008 2:58AM(PT)
DeathMonkey
Might be harder to distinguish between the 50gb layers?
July 8th, 2008 8:26AM(PT)
VeGiTAX2
tallteen, indeed they will, I already mentioned it in this posting. BD-ROM was nice as a start but companies have been moving past the technology for a while now and developing things in the TB level. I guess people are more willing to skip past logical successors mentioned and talk about mythical things that have no names.

Big companies won't use optical for backup, unless they have a death wish and really have no care for their data. Optical is one of the worst archival mediums because it has no staying power, if they were pressing the discs it might be more reliable but burning is an absolute joke for it. It ends up being just as much the case for video editing where the raw stock ends up needing to be dumped to the HDD anyway because the read is too slow on an optical disc that large.
July 9th, 2008 2:17AM(PT)
nintend06
tallteen86: Technically, 50GB discs are two layers of 25GB.

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