TDK cracks 200GB Blu-ray discs

TDK cracks 200GB Blu-ray discs

Summary: Recordable media manufacturer has also begun shipping recordable 50GB Blu-ray discs

TOPICS: Storage

Technology manufacturing company TDK has managed to push Blu-ray's capacity even higher, to create a 200GB prototype disc.

In an announcement on Thursday, the company also said it would start shipping 50GB recordable and rewritable Blu-ray discs next week.

Previously, TDK's Blu-ray discs had a capacity of 25GB per layer, but it has now managed to raise this to 33GB. The 200GB disc is single-sided, with six layers.

TDK originally said back in April that it was working on a six-layer, 200GB Blu-ray disc, and it insists there will be a market for such a high-capacity disc.

"Data storage requirements for business users are increasing — everybody wants higher capacity," said Taro Ikushima, head of product marketing for TDK Corporation.

Ikushima said that removable media would still be popular, despite the rise of Web-based storage and broadband.

"If you're talking about small amounts of data [you can use the Web]. But 50GB of video data is too large to download. With a large capacity you need removable storage like a Blu-ray disc," Ikushima told ZDNet UK.

Based on simulated acceleration tests, TDK's archival life expectancy rating for Blu-ray disc media is more than 50 years. TDK claims "virtually no performance degradation even after it has been overwritten 10,000 times".

Recommended retail pricing is €35 for a 50GB BD-R (write-once) and €45 for a 50GB BD-RE (write-many).

Topic: Storage

Tom Espiner

About Tom Espiner

Tom is a technology reporter for He covers the security beat, writing about everything from hacking and cybercrime to threats and mitigation. He also focuses on open source and emerging technologies, all the while trying to cut through greenwash.

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