Create two small rectangles using rectangular shape tool. Place as shown.



Select and merge these three layers. Press Ctrl+T. Right Click and select distort. Adjust the nodes to get the shape as shown.



Repeat the above steps we used to create 3d extrusion.



Select and merge all the duplicate layers. Double click the layer to open layer style window. Apply settings as shown.





As you can see, once the final touches are applied, you can use this pen drive for anything.  Looks great as an system icon as well.