Enermax Platimax 850W 80 PLUS Platinum Certified Modular ATX12V/EPS12V SLI Ready CrossFire Ready Power Supply, EPM850EWT 89PLUS ready! Worlds Leading modular cable PSU series with 89-94% efficiency at 20-100% load. Compliant with 80PLUS PLATINUM efficiency requirement. NVIDIA SLI certified! C6& Hybrid ready! Maximum compatibility with C6 hybrid states of current and future CPU&GPU generations by ZERO LOAD design. DXXI ready! 100% 6+2P (8P) PCI-E connector to support new generation DXXI graphic cards. Server ready! SSI PSDG support for latest Intel Core Extreme/i7/i5/i3, Xeon and AMD Opteron and SLI or CrossFireX and downward compatible with EPS12V v2.92, v2.8. 24/7 at 50 DegreeC ready! Non-stop industrial class performance at 50 DegreeC ambient. Advanced fuzzy logic fan speed control for optimal cooling and minimum noise (patented). 13.9cm Twister-bearing fan with low noise and long lifetime (100,000 hours MTBF, patented). 100% 105 DegreeC Japanese electrolytic capacitors for highest components standards for maximum durability and stability. Technological breakthrough topology using a staged dynamic transformer array for extremely high efficiency with the most durable and stable output at any load. 89PLUS ready: This modular cables PSU series are rated with 89-94% efficiency at 20-100% load. Compliant with 80 PLUS Platinum standard. ErP Lot 6 ready: Help system meet ErP Lot 6 2010 (&lt; 1W at standby mode) with high efficiency +5Vsb circuitry. High compatibility ready: Multiple rail +12V output combine at 70A can drive multiple high-end GPU. 24/7 @ 50C ready: Non-Stop industrial PC performance at 50C ambient. World ready: Auto switch 100-240VAC in and active PFC for global usage. Output: 1x Main connector (24Pin)/ 1x 4+4Pin CPU / 1x 8pin CPU /8x Peripheral /12x SATA /1x Floppy/ 4x PCI-E Future ready: 12P modular design for upcoming CPU and GPU 10P and/or 12P connectors. SERVER ready: SSI PSDG support for latest Intel Core Extreme/i7, Xeon and AMD Opteron and SLI or CrossFireX and downward compatible with EPS12V v2.92, v2.8. HeatGuard: Keeping PSU fan running for 30-60 seconds after shut down to dissipate the remaining system heat and prolong system lifetime. SafeGuard: Industry-leading multiple protection circuitry of OCP, OVP, DC UVP, OPP, OTP, SCP & SIP. SpeedGuard: Patented fan control starting with unmatched 550RPM to a maximum of 1500RPM for optimal cooling and minimum noise. CordGuard: Fixing the AC cord tightly to avoid accidental shutdowns of your PC. Dynamic Hybrid Transformer Topology: Technological breakthrough topology using a staged dynamic transformer array for extremely high efficiency with the most durable and stable output at any load. Twister bearing fan inside: 13.9cm Twister bearing fan with low noise and long lifetime. (100,000 hours MTBF, Patented) 100% 105C Japanese electrolytic capacitors: Highest components standards for maximum durability and stability.