Sunshine-tipway 5.25 Inch USB 3.0 20 Pin USB Front Panel Optical Disk Bay Hub for PC Case 2 USB 3.0 ports USB 3.0 cable 20 Pin connector Compatible:usb2.0/1.1 standard port downwards Support Truly plug and play,no external power needed. 5.25 inch front panel need no drive, and support plug and play Dual USB3.0 output, the average can reach 100M/s, USB3.0 wire is 60cm