ATX 2.3.1, aktivan PFC, 1×PCIe, 3×SATA, 20+4-pina, 120mm ventilator, crno - Extremely silent cooling: large 120mm fan - Excellent air flow design for a better heat dissipation - Following safety design: * Over Voltage Protection (OVP) * Under Voltage Protection (UVP) * Short Circuit Protection (SCP) * Over Load Protection (OLP) - Low stand-by consumption - Complies with ErP2014 norm