Sony BNR50 2x BD-R Media Record an outstanding 50GB of data on a single-sided disc. That's enough for up to 5 standard DVDs on one disc. Imagine 23 hours of standard definition television, tens of thousands of music recordings. Today's ever-complex world demands the highest possible media capacity to deliver higher definition picture and sound quality. With unbeatable storage capacity and recording flexibility for content-owners and consumers alike, Blu-ray Disc delivers.