Bootable 2 GB USB 2.0 Flash Drive Preloaded with PUPPY 4.3.1 (Linux) (Official Version By Creator), By SMALL PLATFORM COMPUTING SPC's 4 GB USB Flash Drive Preloaded With Pupp Linux 5.4 "Precise" Tiny Size Allows Puppy Load Completely Into RAM / Amazingly FAST! (brand of components may vary)