Panasonic announced today that they will be introducing the world's first 4x Write-Once Blu-ray Discs. Available in 25GB and 50GB capacities, these new discs offer extremely low error rates and a wide power margin enabling writing speeds from 1x to 4x.

Panasonic, the leadingbrand by which Matsushita Electric Industrial Co., Ltd. is known, announcedtoday that the company will globally introduce Write-Once Blu-ray Discs(BD-R) with 4x writing speed.

The new discs will be available in both 25GB and 50GB, which will beintroduced in the market this July and September respectively.

In conjunction with the launch of 4x BD drives, the new discs have thecapability of 4x speed writing and reading, allowing users to handle largeamount of data or High Definition content with greater convenience.Panasonic is the first company to announce the market introduction of 4xBD-R Discs.
While details are still a bit sketchy, Panasonic is also developing a new Blu-ray Disc drive capable of writing to BD-R and BD-R DL media at 4x. According to their press release, this unnamed drive can write an entire 25GB BD-R disc in as little as 23 minutes.