USB flash drives can work as extra RAM — here's how it works

But wait! You may find the problem eases if you have some extra RAM to hand and you don't need to spend a fortune. By turning a USB flash drive into virtual RAM, you can reduce your reliance on an ...
PC Magazine

USB drive

(1) An external storage or optical disc drive that plugs into the USB port. See portable hard drive. (2) A small solid state storage module that plugs into the computer's USB port. Emerging just ...