Waterwood Hard Disk Drive SATA 22Pin to eSATA Data + USB Powered Cable 20CM USB A Male + eSATA male to SATA 22pin HDD 2.5" Driver This cable works mostly with 2.5 Inch HDD, because your laptop or PC mostly offers 5V power If you use it with your 3.5 or 5.5" HDD, then please make sure that your USB devices offer 12V Power The USB+eSATA male plug in your PC at the same time, it can reach the speed of power esata Package Content :1x Hard Disk Drive SATA 22Pin to eSATA Data + USB Powered Cable 20CM