This is Green Project Recordable DVD-R which provides high storage capacity and fast writing speed up to 16X. These write-once disc's large storage of 4.7GB is perfect and ideal for storing videos, music, video, data backup, digital photos, and more. Each disc allows up to 1550 photos and more than 120 minutes of 720p video. A cake box includes a pack of 10 blank discs that are compatible with most DVD-R and DVD+R drives including Pioneer, Apple, Sony, Dell, LG, HP, Lenovo, and a vast majority of hardware from leading drive manufacturers.