CD-R Verifier is a user-friendly verification utility that will compare the contents of any DVD or CD with the master offering. This product originally was designed for CDs and was released long before there were any DVDs. Same tool, now supports CDs, DVDs and even Blu-Ray discs.Checks completely in less than five minutes per disc, reading the entire disc as fast as the drive can provide the data. This means a 40x drive will be used at 40x. Other techniques require a lengthy process, up to 10 times longer.Here are some key features of "CD-R Verifier":