Memorex 700MB/80-Minute 48x CD-R Media Black, 50-Pack Spindle Package of 50 CD-R discs for recording music, data, or digital photos Each disc stores 700 MB of information or 80 minutes of music Each disc is write-once (can't be erased or re-recorded) 48x compatible; records on computer burners only Audio recordings play on majority of CD players and recorders