Thermaltake Toughpower GF1 850W 80+ Gold SLI/CrossFire Ready Ultra Quiet 140mm Hydraulic Bearing Smart Zero Fan Full Modular Power Supply 10 Year Warranty PS-TPD-0850FNFAGU-1

[80 plus gold and Intel C6/C7 States ready] - Deliver up to 90% efficiency, Gf1 Series optimized to work with all generations of Intel's processors to achieve maximum energy saving [Ultra quiet 140mm hydraulic Bearing fans] - Self-lubricated hydraulic Bearing PWM fan superior cooling performance and near silent operation [Smart zero fan] - Auto-regulated fan speed based on power consumption for a quiet and efficient operation. Fan works only when PSU work load goes over 30%. a switch At the back of the PSU can be turned off to have the fan spun constantly [16AWG wires] - Upgraded CPU/PCI E main cables (16AWG wires) for high end enthusiasts' Pcs International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.