Panasonic UJ-265 Slim 6X Blu-ray Writer SATA Slot Load 12.7mm internal optical drive Burn Blu-ray movies and data up to 6X speed BD: 6x, BDXL: 4x, DVD: 8x, CD: 24x Write Speed BD-R: 6x, BD-R(LTH): 6x, BDXL: 4x BD-R DL: 6x BD-RE: 2x DVD-R: 8x, DVD+R: 8x DVD-R DL: 6x, DVD+R9: 6x DVD-RW: 6x, DVD+RW: 8x DVD-RAM: 5x CD-R: 24x, CD-RW: 16x