The Blu-Ray disc
BD-R - R stands for Recordable - is a once-recordable Blu-Ray disc that can be played as often as desired.Blu-Ray discs consist of several layers. There is the single layer, Single Layer (SL), and the dual layer, Dual Layer (DL). Both versions, single layer and dual layer BD-R work with a groove
imprinted in the manufacturing process.GB
, 25 GB and 27 GB. In the dual layer (DL) version, the storage capacities are twice as high at 46.6 GB, 50 GB and 54 GB. Inaddition to the standard size with a diameter of 120 mm, there is also a smaller format with a diameter of 80 mm. The
write speed of the BD-Recordable is 144 Mbit/s, which corresponds to a 4x speed.