The external 12X USB 3.0 Blu-ray Writer BW-12D1L-U is the fastest external writer on the market. Support for Super Speed USB 3.0 enables unsurpassable burn speeds, up to 12X. Plus, legacy USB support ensures compatibility with many systems at slightly reduced speeds. The BW-12D1L-U is ideal for users seeking the best playback and burning performance of Blu-ray discs, DVDs, or CDs on their PCs. Installation is quick by simply plugging it into any available USB 3.0 or USB 2.0 port.