CrystalDiskMark

If I had money (Job) I'd would donate. This is the best simple test of Any type of Drive.. SSD/Thumb Drive/Memory Card you name it. Find out your drive speed... honestly between drive speed and amount of memory are the two key factors speeding up or slowing down your PC/Tablet/Phone.

This is amazing. Maybe there is hope for the store yet.

Most popular disk benchmark that I know of, also probably the best as well, simple to use and understand.