The pump can then be via USB to the motherboard and monitor with the free downloadable software Aqua Suite and control. By adjusting the pump frequency you get off to a very low vibration, quiet operation. Nevertheless, the pump is very powerful, I mean even runtergeregelt since a higher flow rate brings no more benefit from a certain limit. Since Aquacomputer is a German company with headquarters near Göttingen, the service is very good. On the one hand there is a designated contact person that the questions of customers actually read, rather than standard responses to send. , There are others in the event of a defect - if not covered by the guarantee - the opportunity to send in the pump there and repaired to a manageable service fee.