LaCie USB 2.0/FW Professional BD-R/BD-RE Blu-Ray Drive 301856U Hi-Speed USB 2.0 and FireWire interfaces Record, rewrite and play back HD video Multi-format BD (Blu-ray) and DVD/CD writer in one Play back high-definition Blu-ray movies (on Windows only) Save up to 50GB of digital data on one Blu-ray disc