Summary: I have two of these and am happy as a clam. If a hard drive starts to fail, there is nothing like putting the content onto a brand-new drive before turning the rattly old drive into magnets and mirrors. Oh, for fishing data off of that old hard drive in a dead PC, this gadget is really hard to beat.
Summary: fixed my brother's and neighbor's laptops with it - I used same size Hard Drives to copy onto. Solved the problems of both computers. the more info on Hard Drive the longer it takes to copy - I set it and forget it before sleeping, all done when I wake.
Summary: This gizmo saved my rear end when my hard drive started to fail . I was able to make a bit by bit close of my failing drive and not miss a beat. Works independently of the computer so no OS is needed. Also is switchable to use as a regular usb drive .
Summary: I had a hard drive failing on my laptop, so I ordered a replacement drive. Even with numerous failed sectors on my original drive, this system was able to 100% bit copy the contents of my old drive to my new drive.