Hi i bought this dvd burner on ebay and havent recieved it yet..the guy never mentioned it was a dual layer and i forgot to actually look if it was dual layer before i bought it however on some websights they say that the hp 420e is a dual layer and some dont...could someone tell me if the specs look like a dual layer dvd burner: Write Speed CD-R: Up to 16x, Up to 24x CD-RW: Up to 10x DVD+R: Up to 8x DVD+RW: 4x DVD-R: Up to 8x DVD-RW: 4x Thanks a lot, Nick