[Complete Standalone Operation] No PC required to operate the duplicator [Native SATA] Independent fully native SATA channel data acceleration [Supports Max Write Speed] Up to 24x DVD Write Speed, 52x CD-R Write Speed, with default max caps for selected medias to give optimal burning capability [Supports all currently available DVD media] including Double/Dual layer DVD9: Can duplicate Single Layer DVD±R/RW and Double/Dual Layer DVD±R Formats. [Cannot Copy Protected Discs] the duplicator will not copy any copy-protected or encrypted CD / DVD disc(s). The ACARD TECHNOLOGY duplicator is a professional SATA DVD/CD Duplicator that offers optical disc burning technology. It's compatible for any purpose that allows disc duplication (excludes copying protected discs/movies). The user-friendly LCD interface provides a simple one step copy function that burns your DVD blank discs at an optimal speed producing 1 copies every burn cycle. Burning speeds are adjustable and other standard menu features are available as more advanced features. This is a standalone unit that doesn’t require a computer or software. Inside this copy tower, different CD and DVD formats are automatically detected to allow stable and secure buffer speeds while under run protected burning without the added trouble or stress from a computer to handle such functions.