LC500-12 V2.31 - Office Series Power supply type Office Series ATX standard ATX V2.31 Connectors 20+4 pin mainboard 1x 45 cm 4+4 pin mainboard 12V 1x 45 cm PCI-Express 1x PCI-Express 6 pin 45 cm SATA 4 (2x 45 / 2x 60 cm) PATA 2x 70 cm FDD 1x 85 cm Mark of conformity TÜV, CE Fan 120 mm PFC active Dimension h x w x d 85 x 150 x 140 mm Weight (retail) 1,378 kg Power rating 400W max. / peak +3,3V 21A +5V 15A +12V1 11A +12V2 14A Efficiency up to 88,63% Standby consumption 0,21W - ErP 2013 Temperature control for case fan yes Security circuitry OVP = Over-Voltage ProtectionOPP = Over-Power ProtectionSCP = Short-Circuit ProtectionUVP = Under-Voltage Protection Multirange (110V/220V) no Haswell compatible yes