ATX standard ATX V2.31Connectors: 20+4 pin mainboard 1x 40 cm4+4 pin mainboard 12V 1x 40 cmPCI-Express 1x PCI-Express 6 pin 40 cm1x PCI-Express 6+2 pin 55 cmSATA 6 (2x 40 / 3x 55 / 1x 70 cm)PATA 3 (2x 70 / 1x 85 cm)FDD 2x 85 cmFan 120 mmPFC activePower rating 450W max. / peak+3,3V 24A+5V 15A+12V1 17A+12V2 14AEfficiency up to 89,14%Dimension h x w x d 85 x 150 x 140 mmWeight (retail) 1,439Kg