The Slim Line has been developed specially for space-saving applications. These compact keyboards are ideal wherever there is little space, where several keyboards are in use at the same time or if you simply prefer a smaller design. They are fitted with mechanical key modules from the ML series which, at less than 12 mm high including key caps, are truly slim-line.??Cherry's G84 4400 ultra low-profile compact keyboard is perfect for your work. It is almost notebook size, ideal for rack mount and virtual computing applications. This keyboard has 83-key layout with full 101-key functionality and has an integrated 16mm trackball with 2 mouse buttons.