Ecomaster ENP650AWT_B NAXN 82+ 650-Watt ATX12V 80 Plus Bronze ATX 550 Power Supply Ready for next-gen MULTI CORE systems as INTEL CoreTM 2 Duo/Quad/Extreme/i7/i5 and AMD AthlonTM 64X2, PhenomTM II. Ultra silent 12cm fan with intelligent RPM control guarantees cool performance and silent operation. High-Quality components and dual 12V rails design enable non-stop usage with stable and reliable current.