Njoy 650W ALPHA 80+ GOLD ATX Power Supply Power (W) 650 ATX Version ATX 12V v2.3 PFC Active PFC Input Voltage 230V Input Frequency 47 - 63 Hz Protection OCP / OVP / SCP / OPP Connectors 1 x 20+4pin 1 x ATX/EPS 12V 4 x PCI-E 6+2pin 6 x SATA 4 x 4pin Molex Fan 1 x 140mm Ultra-low noise level 21dB Features Compatible with NVIDIA SLI Compatible with ATI CrossFireX Intelligent temperature control Compatible AMD / Intel, ATI / Nvidia Low noise level Flat 50 cm cables Efficiency In accordance with 80Plus Gold for 230V 85% / 88% / 85% 20% / 50% / 100% Modular power supply Modular +12V Rail 1 x 53A Capacitors 105 degrees Celsius Dimensions 160 x 150 x 86 mm Weight 1.57 kg