750W NAXN 82+ ATX MODULAR POWER SUPPLY UNIT 82PLUS ready! ATX12V PSU with 82-88% efficiency @ 20-100% load. Compliant with 80 PLUS BRONZE efficiency requirements. DXXI ready! 100% 6+2P (8P) PCI-E connector to support new generation DXXI graphic cards. 12P modular socket design for possibly upcoming new CPUs and graphics 10 and/or 12P connectors. ATX12V v2.3 support for latest INTEL Core 2 Duo/Quad/Extreme/i7/i5 and AMD Athlon 64X2, Phenom II, SLI and CrossFireX Ultra silent 13.5cm fan with intelligent RPM control guarantees cool performance and silent operation.