Only ansich would in the sales description which are there with some motherboards may not be compatible, because the polarity of the 24-pol.Stecker is different from its predecessors.
Even the manufacturer stands on the item description page, absolutely abwertskompatibel.
Only it turns out as a clear error because there are certain boards in which it does not.
The only but you get out if you have bought the power supply.
Polarity of the board and the power supply compares.
There was money but without back problems. Since 5-year warranty and full in 1st Year of purchase Exchange Policy at be quiet there.
