Acumen Disc 1 to 7 Target SATA Controller for Multiple Blu-ray 16X / DVD 24X / CD 52X Writers Disc Copy Duplicator with ISO Image Transfer Function Standalone, no PC required. Easy to use keypad with LCD display New Technology allows up to 16x Blu-ray, 24x DVD, and 52x CD-R duplication. Support ISO image file transfer between PC and duplicator (USB adapter and hard drive option required for this function) Master Error Proof: This feature enables the user to replace a bad master disc midway through the duplicating process without wasting additional media Ability to Name Partition: Able to load disc image from source drive to HDD & rename the partition for your future reference.