T he technology and conditions are the same but for one thing. Unfortunately, it's quite difficult to find CDs of this kind in Russia. Several Yamaha models have this kind of discs in the complete set. CMC Magnetics Corp. Although we've found such discs thanks to our friends from Singapore. Below you can see Ricoh disc.
All important information are on the backside.
4X - max. The matrix is new, that's why even CDRIdentifier 1.60 can't define the manufacturer and maximum recording speed. Please, notice, that the following results mustn't be considered as only that can proceed. The leader is undoubtedly CD-ROM Teac. NEC and then ASUS follow the leader.