Asus External Blu-Ray Writer Black, BW-16D1H-U PRO/BLK/G/AS/PDVD External Blu-ray DVD Combo Includes 25GB space and Features 16X Blu-Ray Writing speeds Supports a USB 3.0/USB 2.0 Interface Enjoy the magic of truly immersive surround sound with Dolly and DTS with 2D to 3D conversion