The QD-DVD-127 Duplicator comes with seven 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. One button copying gives you the ability to make three copies at a time at the highest recording speed available. You can use the QD-DVD-127 alone or connect it to your PC. In the end, you can record up to 56 DVDs and 154 CDs in an hour.