Bests & Worsts Reviews from Amazon

When I purchased this it came in ExFAT format and I tried to copy one of my 16GB folders, which contains 750,827 Files, and 20,483 Folders. The drive could not copy this entire 16GB folder onto the 500GB drive. After reading a little bit about ExFAT and smaller files, I reformatted to NTFS, which took all of two seconds to do. I was then able to copy all my files (130GB) onto the Sandisk 500GB drive without any problems. In fact, this thing FLIES! I love it and hope that it lasts for years.