Enermax Revolution87+ 1000W 80 plus Gold Certified Modular Power Supply with 13.9cm Twister-bearing fan and 100% 105&deg;C Japanese Electrolytic Capacitors, ERV1000EWT-G 87PLUS ready! Extreme efficiency PSU series with 87-93% efficiency @ 20-100% load. Certified to meet 80 PLUS GOLD requirements. ErP Lot 6 ready! Help system to meet ErP Lot 6 2010 (&lt; 1W at standby mode) with high efficient +5Vsb circuitry.* Required for ErP Lot 6 2010 compliant systems. 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. C6 & Hybrid ready! Maximum compatibility with C6 & hybrid states of current and future CPU & GPU generations by ZERO LOAD design (no minimum load). Twister 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. 24/7 @ 50C ready! Non-Stop industrial class performance at 50C ambient. 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 prolonging system lifetime. of OCP, OVP, DC UVP, AC UVP, OPP, OTP , SCP & SIP protects your system.