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.