Store data quickly and reliably with 1x to 52x write speeds. High-quality discs offer great performance, low failure rates, and long storage life. Write-once format provides permanent recording?no accidental overwrites or erasure. Versatile discs are great for archiving digital files, recording custom music mixes, and more. Disk Type: CD-R; Capacity (Music): 80 min; Recordable Format: ?Write Once? format?may not be altered once data is written to the disc.; Capacity Range (Data): 700 MB.