The QD-DVD-123 Duplicator comes with three 48x CD/16x DVD recorders and a USB 2.0 connection for direct burning from PCs or Macs. Not only does it support DVD+/-R DL media, it can also copy, verify and extract tracks. Operation is simple and its LCD is easy to read. In the end, you can record up to 24 DVDs and 66 CDs in an hour.