taxes are 19% plus 10 EUR handling fee for DHL.

Running sp20 in automode reaching as low as 10% with stock fan at 1,2 TH/s means 56 db(A).

if you replace the fan with a smaller PWM (means getting the right connector; use search or PM me) you can get it as quiet as slightly above 40 db within a cool room, but you have to underclock.