External USB 3.0 12X Blu-ray Writer is ideal for users seeking the best playback and burning performance of Blu-ray discs, DVDs or CDs on their PCs. Upgrades your computer with an ultra fast Blu-ray Writer that can write up to 50GB of data on a double layer Blu-ray disc. Makes writing or recording HD videos, backing up hard drives, or archiving large amounts of data on Blu-ray faster than ever.