Extremely High Efficiency Up to 87% efficiency. Ultra Stable Voltage Outputs DC to DC technology: the 3. 3V are built out of the 12V rail, providing improved efficiency levels and a stables performance, as well as perfect regulation within ?3% at regular DC outputs. 120mm Ultra-Silent Fan Ultra-quiet120mm fan with automatic thermal speed control for an optimal speed-noise ratio. Massive Single +12V DC Output Extreme Performance for Powerful Graphics Systems. Key Features: 2x Molex Connectors 6x SATA Connectors 2x PCIe Connectors (6+2-Pin) 4 + 4-Pin CPU Power Connector ATX Form Factor