Short Product Description550W "Antec" TruePower ATX Power Supply, Single 120mm fan, 4 +12V output circuits provide stable power, PCI-Express graphics card connector, 24-pin & 20-pin connectors, includes 4 built-in Serial-ATA connectors, Advanced Hybrid Cable Management improves airflow and reduces clutter, 80 PLUS Bronze certification saves energy, Antec Quality Five Year (AQ5) warranty.