Continuous Power - Guaranteed 650W Continuous Power from Antec 80 PLUS® certified - Up to 85% efficient, to reduce your electricity bill AQ3 - Antec Quality 3 year warranty 120mm Silent Fan Thermal Manager - An advanced low voltage fan control for optimal heat & noise management CircuitShield™ - Full suite of industrial grade protections: UVP/OVP/SCP/OPP/NLO Multi PCI-E - 2 PCI-E connectors for multiple GPU support