Type-C USB-C to USB 3.0 Male & USB 2.0 Dual Power Data Y Cable for Laptop & Hard Disk Two USB male connector, One is for USB3.0 power and data, another one for USB2.0 power only. Length: 60cm Does one USB port not supply enough power for your USB-C device? Our Sync USB3.0 Power Adapter Y cable for your is the solution. Our cable allows for power to be taken from 2 USB ports, like a PC and External hard drive. Allows you to link 1 USB-C device into 2 USB Ports on your PC for more power. There are times you may have an external device, such as a portable 2.5 hard drive, and a standard USB cable is not able to transfer enough power to operate the device.