TDK CD-R80EXM20 CD-R, 80 Minute, 700 MB, 16x (20-Pack with Slim Jewel Cases) (Discontinued by Manufacturer) 20 recordable CDs for computer (data) only; will not work in hi-fi component CD recorders Each disc comes in a slim-line jewel case 700 MB per disc (80 minutes record time if writing audio with PC writer)