LG has just introduced an internal Blu-ray drive - the GBW-H10N, capable of burning 1x (~4.5MB/s) Blu-ray disks at four times the speed (~18MB/s) while BD-RE can be rewritten at 2x speed. The drive can also write CD-R/RW, DVD-R/RW, DVD+R/RW and DVD-RAM.Read speeds:

BD-ROM (SL) 4.8x max.
BD-ROM (DL) 4x max.
BD-R (SL) 4.8x max.
BD-RE (SL) 2x CLV
DVD-ROM (Single/Dual) 16x/8x max.
DVD-R/RW/Dual 10x/10x/8x max
DVD-RAM 2x, 3x, 5x PCAV
DVD-Video (CSS) 8x max. (Single/Dual Layer)
DVD+R/+RW/Double 10x/10x/8x max.
CD-R/RW/ROM 40x/40x/40x max.
CD-DA (DAE) 40x max.

Burn speeds:

BD-R (SL) 2x, 4x CLV
BD-RE (SL) 2x CLV
DVD-R 2x, 4x CLV, 8x, 12x PCAV
DVD-R Dual Layer 2x, 4x CLV
DVD-RW 1x, 2x, 4x, 6x CLV
DVD-RAM 2x, 3x ZCLV, 5x PCAV
DVD+R 2.4x, 4x CLV, 8x ZCLV, 12x PCAV
DVD+R Double Layer 2.4x, 4x CLV
DVD+RW 2.4x, 4x, 6x, 8x ZCLV
CD-R 4x, 8x CLV
CD-RW 4x, 8x, 10x CLV