Record an outstanding 25GB of data on a single-sided Blu-ray 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.2RC3420. 3420. Sony Sony BNR25R3H Blu-ray Recordable Media - BD-R - 6x - 25 GB - 3 Pack Jewel Case.