USB 3.0+ USB 2.0 (for enhanced power) to SATA 22pin female, Connect your 2.5” HDD to your PC or Laptop Super Speed USB 3.0 interface technology data transfer rate can go up to 5Gb/sec (Maximum) Please note that the USB to hard driver adapter does NOT work with 3.5” HDD, Because the 3.5” HDD need 12V power, Laptop or notebook offers only 5V Power Connector type: Dual port 3.0 USB. SATA 15+7 pins, power suppply host USB port 0.5FT / 6 Inch short cable easy for carrying