Abstract: A mounting frame for arrangement of electronic components includes a set of horizontal shelves and vertical posts of the frame with, at least, one internal channel for coolant to pass therethrough, forming coolant feed channel and coolant drain channel. The mounting frame includes at least two horizontal shelves, attached to the horizontal shelves of the frame, and at least one an electronic component installed thereon. One of the horizontal shelf includes at least one flexible hose, connected to the coolant feed channel to connect the coolant feed channel to it of at least one electronic component. The adjacent horizontal shelf includes at least one flexible hose connected with coolant drain channel, so that to link it with own coolant drain channel of, at least, one electronic component, inlet opening for feeding the coolant into coolant feed channel, and outlet opening for removal of coolant from coolant drain channel.