1,2,3! That is how easy it is to copy a Blu-Ray, DVD or a CD with the Addonics family of Blu-Ray/DVD DigiCopier! You can copy any Blu-Ray, DVD or CD disc without a computer. All you need to do is place the master disc into the source drive located on the top of the unit and a blank media into the rest of the other drives below the source drive. Close all the drive doors and start the copying process, and within a few minutes your Blu-Ray, DVD or CD disc is copied. Designed to take advantage of the high performance SATA technologies, all Addonics Digicopiers are equipped with the latest high speed SATA optical drives that are available in the market. There is a choice of four models to offer disc duplication of 1 copy, 3 copies, 7 copies or up to 11 copies at one time depending on your volume requirement. Each model is equipped with a user friendly LCM control module that provides a rich set of option configuration choices. About this family of Blu-Ray duplicator This family of BR-DVD DigiCopiers comes in choice of model with eight Blu-Ray burners (model # DGBRC7) or a model with four Blu Ray and four DVD-RRW burners (model # DGBR3DR7). The DGBRC7 allows you make up to seven copies of Blu-Ray, DVD or CD disc all at one time. Whereas the DGBR3DR4 allows making copies up to three Blu-Ray disc or seven DVD/CD disc at one time. An eSATA port is also available on the back of these DigiCopier for attaching an optional external eSATA hard drive. With the additional of an eSATA hard drive, Blu-Ray, DVD or CD image can be copied onto the hard drive to use as a source. You can store as many images as needed depending on the capacity of your hard drive. By using the hard drive as a source, all optical drives in the Digicopier are now available to use as the target drive, further increasing the copying capacity to as many as eight disc at one time.