25GB versus 50GB discs

[fitprod]

Originally Posted by blu-ray fan002

I noticed that the movie "Hitman" on Blu-ray was a 25GB disc. Are the 50GB Blu-rays two 25GB discs or one 50GB disc (using both sides of the disc)?

DVD:
DVD5 - Single Layer, Single Sided
DVD9 - Dual Layer, Single Sided
DVD10 - Single Layer, Dual Sided
DVD14 - Single Layer (A-Side)/Dual Layer (B-Side)
DVD18 - Dual Layer, Dual Sided

Blu-ray:
25GB - Single Layer, Single Sided
50GB - Dual Layer, Single Sided

...There currently is no Dual Layer, Dual Sided option for Blu-ray, and as far as I know there are no plan to do this; since the layers are too thin.

HD DVD:
HD15 - Single Layer, Single Sided
HD30 - Dual Layer, Single Sided

And then there are the specs for the glitchy combo discs.

HD15/DVD5 - Dual Layer HD (A-Side); Single Layer SD (B-Side)
HD30/DVD5 - Dual Layer HD (A-Side); Single Layer SD (B-Side)
HD30/DVD9 - Dual Layer HD (A-Side); Dual Layer SD (B-Side)

Fitprod

*Edited for bone head DVD9 notation... & I forgot the DVD10