ARS-2057P is a standalone duplicate controller supporting high speed SATA DVD/CD writers. With ACARD RISC CPU Engine, it doesn't need connecting to a computer nor require much learning. Simply through the LCD and the button on the panel you can use the copy controller to back up data, audio or video DVD/CD quickly. It support SATA DVD drives for recording DVD/CD quickly. It is quite fit for general offices.  Dual PCI core with data cache inside the SOC  A standalone SATA-to-SATA DVD/CD copy controller  Independent fully native SATA channel data acceleration  Totally independent without installing hardware or software  Supports a built-in 3.5" or 2.5" SATA hard disk drive  Supports high-speed SATA DVD/CD recording  Has a user-friendly interface and shows messages with LCD  Firmware update by DVD-ROM ACARD SATA Controller  ACARD 32-bit RISC CPU  16Kbyte data cache inside the RISC CPU High reliability of SDRAM for embedded system  10 SATA interface channel  2 X 16 LCD screen  A membrane 6-buttons operation panel  512KB flash memory for copy code  Dimension: 150mm(W)× 42mm(H)× 215mm(D)