Copystars Smart SATA dvd duplicator 1-3 target 128mb buffer CD DVD Blu Ray duplicator controller with manual with sata cables 128MB buffer memory include sata cables Full featured Copystars LCD control menu Support optional hard drive to enhance titles management "User friendly" controller utilizes familiar "ESC" & "ENT" keys with tactile feedback for easy navigation 128MB buffer memory.UL power supply, 1 year warranty