LG Electronics 6X USB 2.0 Slim Blu-Ray +/-RW and DVD+/-RW External Drive with M-DISC Support, Retail (Black) WP40NB30 External - Connects VIA USB 2.0 Silent Play Reduces Noise from Disc Spin During Movie Playback Supports 3D Blu-ray Disc Playback Supports BD-XL (100GB, Triple Layer) Disc Jamless Play Smooth's Out Playback of Damaged Blu-ray or DVD Discs 6X BD-R Read and Write Capability. Max. 8X DVDR Write Speed. Blu-ray Disc (Including BDXL), DVD (Including M-DISC & DVD-Ram), and CD Family Read/Write Compatible 4MB Buffer Under-Run Prevention Function Embedded