doest the job its made for terrific purchase you get what you paid for who already knows how storage disks or pendrives work you dont get a full storage that you asked for in its common the space size is lower than because in practice 1 tb 1000000000000 bytes is approximately 931 gib 999653638144 bytes your computer will then show it as 931gb because 1tb sounds larger than 931gb and it actually has a trillion bytes it is sold as 1tb