The Rack Mount Kit, model ETH-11MK, comes with two metal mounting brackets and mounting screws to mount a compatible 11 inch wide switch to a standard 19 inch wide networking equipment rack. Compatible 11 inch wide switches must have 4 mounting points on each side that are 2 mm apart. Compatible Trendnet switches include the 16-Port Gigabit GREENnet Switch, model TEG-S16Dg, and the 24-Port Gigabit GREENnet Switch, model TEG-S24Dg