1000 Watt High-Performance, Energy-Efficient Power Supply (1000W @ 50 C). The Corsair HX1000W features six PCI-Express connectors, both 6-pin and 8-pin compatible, to power multiple high-end graphics cards and two EPS12V connectors for dual CPU configurations. The truly independent dual transformer, dual rail design allow for optimum load balancing resulting in greater performance and stability. Industrial-grade 105 C primary, secondary and solid state capacitors provide up to four times the lifespan of traditional components. The HX1000W not only delivers one thousand watts of clean power for the highest performance enthusiast systems, it does so at greater than 80% efficiency thanks to the double-forward switching design and multiple rail DC-to-DC converter. Due to its best-in-class efficiency the HX1000W is able to run cool and quiet with only a single 140mm thermally controlled fan.