80 PLUS Certified, with up to 85% energy efficiency under regular loads Antec Quality 3-year warranty 120 mm silent fan Thermal Manager: An advanced low voltage fan control for optimal heat & noise control CircuitShield - Full suite of industrial grade protections: UVP/OVP/SCP/OPP/NLO Multi PCI-E - 2 PCI-E connectors for multiple GPU support