KHypermedia 80 Minute/700 MB 48x CD-R Discs (100-Pack Spindle) (Discontinued by Manufacturer) Spindle pack of 100 For one-time recording only Certified to handle recording at up to 48x speeds For use with CD Recorder Writer Drives only Compatible for use with a Windows PC or Apple Macintosh computer that's equipped with a CDR or CDRW drive