Faster Blu-ray Disc media will soon be on the way from CMC Magnetics and Ritek. According to a report by DigiTimes, the two companies recently obtained level A laboratory certification for 4x BD-R SL media.
Optical disc makers CMC Magnetics and Ritek recently obtained level A laboratory certification for 4x Blu-ray Disc (BD)-R (recordable, write once) SL (single-sided single-layer) discs, according to the two companies.

CMC and Ritek are keeping apace with each other in terms of their progress in R&D for blue-laser optical discs, with each having so far secured level A laboratory certification for 2x HD DVD-R SL, 1x HD DVD-RW (rewritable) SL, 2x BD-RE (rewritable) SL and 4x BD-R SL, according to industry sources in Taiwan.
CMC has also developed 4x BD-R DL discs and is in the process of getting them certified. If you'd like to read more, head on over to DigiTimes.