Buffer: 2 MB Manufacturer: Panasonic Type of Device: BD-RE Interface: ATAPI. Writing speed: BD-R Dual Layer 1x BD-RE Dual Layer 1x BD-R 1x BD-RE 1x DVD+R9 Dual Layer 6x DVD+R 8x DVD+RW 6x DVD-R9 Dual Layer 6x DVD-R 8x DVD-RW 6x DVD-RAM 5x CD-R 24x CD-RW 24x. Reading speed: BD-ROM 1.6x DVD-ROM 8x CD-ROM 24x . Inner box with dimension of 21X17X8.2cm and gross weight of 500g,30pcs per outer carton.