of the bottom plate and parallel to the side panels application_number US 26440708 A description the present invention is illustrated in detail below by reference to embodiments and the accompanying drawings fig3 illustrates the structure of a hot pluggable fan connection apparatus 20 in an embodiment of the present invention as shown in fig3 the hot pluggable fan connection apparatus 20 includes a bottom plate 21 side panels 22 a beam 23 and fan baffles 24 a crossbar 25 exists on the bottom plate 21 and is parallel to one side of the bottom plate 21 and divides the bottom plate 21 into a forepart 21 a and a rear part 21 b the side panels 22 are located on both sides of the bottom plate 21 and vertical to the crossbar 25 the beam 23 is connected to the two side panels 22 and is above the crossbar 25 the fan baffles 24 are located at the forepart 21 a of the bottom plate 21 parallel to the side panels 22 and combine with the side panels 22 to form at least one fan slot 26 the rear part 21 b of the bottom plate is adapted to connect to a single board in this embodiment there are three fan baffles 24 which combine with the side panels.