ASUS External 12X Blu-Ray Burner with USB 3.0 BW-12D1S-U/BLK/G/AS, Black Diamond-Shaped Design realize aesthetics of technology Fastest 12X Blu-ray burning speed and best burning quality by OTS technology USB 3.0 doubles transmission speed compared with USB 2.0 Magic Cinema technology enables Blu-ray 3D entertainment, 2D to 3D conversion, DVD upscaling