Sony debuted on Monday optical storage discs that use blue-laser technology to hold more data and that offer improved durability.
The Professional Disc features 23.3GB of storage capacity per single-sided disc and is available in both write-once and rewritable versions. The discs offer 11MB-per-second read capabilities and 9MB-per-second write speeds. They will sell at retail for about $45.
Read more: CNet News.