Features: brand new and high quality Do you want to turn your internal 2.5” hard drive into a plug-and-play mobile external hard drive Dual power eSATA cable and power eSATA PCIe card can do this for you. When your 2.5" hard disk is connected to an external device through power eSATA, its transmission speed will also be rapidly improved. As long as your hard disk rotates fast enough, power eSATA will bring you even more amazing performance. Its for theory The transmission speed is 15G/S, and a 700M file takes about 30 seconds to copy in the same hard disk, but it only takes less than 10 seconds to copy the device with a power eSATA cable. Power eSATA Cable supports 5V voltage supply. The eSATA PCIe interface card to expand this interface to realize external 2.5” hard disk. This connection Realistic 2.5" ordinary hard disk external plug and for play, and supports hot swap. Specifications: Item: Sata 22pin To Esata Usb 2-in-1 Data Cable Cable Length: Approx 0.5m/19.7in for: External Hard Disk 2.5-inch Mobile Hard Disk Voltage: 5V+12V Package Includes: 1PC x Sata 22pin To Esata Usb 2-in-1 Data Cable note: Before purchasing, please confirm whether the following two conditions are met at the same time: 1. The computer has a Power Esata (ESATA+USB) interface. 2. The external hard disk of the computer is a 2.5-inch mobile hard disk. ( 5V power supply. If you connect a 3.5-inch disk, please confirm whether the motherboard supports 12V voltage output)