Sony AD-7630A. Writing speed: 24 x, 16 x, 6 x, 4 x, 8 x, 4 x, 5 x, 8 x. Reading speed: 24 x. Access time: 190 ms, 190 ms. Optical drive: Slot, EIDE/ATA. Weight & dimensions: 128 x 129 x 12.7 mm, 160 g. Colour: Black