Magnetic mounting system for the aquabox professional 5 1/4" consisting of a stainless steel mounting bracket as well as three strong magnets for insertion at the back of the aquabox professional. The stainless steel mounting bracket can be installed in a free drive bay of the PC case. Afterwards tool-free installation of the aquabox professional is possible. For easy installation the aquabox is guided precisely when being inserted into the drive bay, the installed magnets and two positioning bolts afterwards keep it in place. For filling the aquabox can simply be pulled out towards the front to access the filling openings at the top of the aquabox professional, annoying removal of mounting screws it not required.