If LG can deliver in June, they'll be one of the first companies to support 4x BD-R writing speeds.
http://de.lge.com/products/mobile/mobil ... arget=read
DVD Writing Speeds:
BD-R (SL): 2x, 4x CLV
BD-RE (SL): 2x CLV
DVD+R: 2.4x, 4x CLV, 8x Z-CLV, 12x P-CAV
DVD+RW: 2.4x, 4x, 6x, 8x Z-CLV
DVD+R DL: 2.4x, 4x CLV
DVD-R: 2x, 4x CLV, 8x, 12x P-CAV
DVD-RW: 1x, 2x, 4x, 6x CLV
DVD-R DL: 2x, 4x CLV
DVD-RAM: 2x, 3x Z-CLV, 5x P-CAV
CD-R: 4x, 8x CLV
CD-RW: 4x, 8x, 10x CLV
Read Speeds:
BD-ROM (SL): 4.8x Max
BD-ROM (DL): 4x Max
BD-R (SL): 4.8x Max
BD-RE (SL): 2x Max
DVD-ROM (SL): 16x Max
DVD-ROM (DL): 8x Max
DVD-RAM: 2x, 3x, 5x P-CAV
DVD-Video: 8x Max
DVD±R/RW: 10x Max
DVD±R DL: 8x Max
CD-R/RW/ROM: 40x Max
CD-DA (DAE): 40x Max
I don't think those CD-R writing speeds are correct. It's kinda odd that the drive would write to CD-RW faster than CD-R.