Verbatim Blu-Ray BD-R Dual-Layer, 50 GB, 3/Pk Sold as 3/PK. High-Definition Blu-ray discs are designed especially to store large HD video and audio files. So, you'll use fewer discs when you're backing-up, recording or duplicating high definition digital recordings, including your music library. All Verbatim Blu-ray discs are treated with a super hard coat to prevent scratches, resist fingerprints and reduce dust build-up. Verbatim Blu-ray discs use blue-violet laser technology to read and write data. That means superb resolution, excellent contrast, vivid colors and amazing sound. Offers up to 50 GB of storage space to back-up your video, music, photos and more. Designed for one-time recording and should be used with BD-R hardware.