The QD-BD-H7 Blu-ray Tower Duplicator by Microboards allows you to copy up to seven BD-R or BD-RW discs simultaneously. However, the QD-BD-H7 doesn't just burn Blu-ray discs; it can also duplicate all CD-R/RW and most DVD formats at speeds up to 48X.The built-in hard drive holds up to 500 GB of information allowing you to save multiple master disc images internally or rip audio CD's and burn a mix disc straight from the duplicator. As if that wasn't enough, connect the QD-BD-H7 to your PC via USB 2.0 and drag and drop files onto one recorder.The QD-BD-H7 also includes PrassiTech Zulu2 media recording and mastering software which allows you to easily prepare any format disc for duplication from your PC. However, the bundled software is merely an option. You can easily do everything you need from the intuitive four button panel on the QD-BD-H7 making their virtually no need for a PC in any way. The panel also keeps advanced features such as disc verification and adjustable recording speeds easily accessible and available at any time.