For sale is a brand new USB 3.0 drive with Micron 256GB M.2 SATA Solid State Drive. This drive is generally more reliable than common USB drives, as it uses an SSD for laptop for storage. The drive is only weighted 51g and it is no bigger than a lighter. 

Dimensions: 10.1cm x 3.2cm x 0.8 cm 

Thanks for looking. REF201