By utilizing advanced circuitry design, Thermaltake’s Toughpower Grand Series high-efficiency power supply is designed to meet the highest expectations and standards of today's extreme PC enthusiasts and system builders while pushing the limit of clean and reliable power delivery. Its grandiose look with a pour aesthetic exterior makes a clear statement: this is pure quality. The proprietary 14cm dual-ball-bearing flower-shaped fan provides optimized ventilation for the inside components while running whisper-quiet. Being 80 PLUS Gold certified, the Tougherpower Grand delivers a guaranteed eco-friendly PSU with more than 90% efficiency at 50% load and 0.95 Active PFC, reducing energy waste - and your electricity bill. 100% Japanese made electrolytic capacitors, additional DC-to-DC converter modules for +3.3V and +5V rails, and convenient cable management complete the package. All these enable the Toughpower Grand to deliver rated continuous power output even in 50°C environment, making it the toughest powe Fans: 1 x 140mm Dual Ball Bearing Fan, 1900RPM ± 10%, 99.6 CFM Main Connector: 24Pin +12V Rails: 2 PCI-Express Connector: 8 x 6+2-Pin SATA Power Connector: 12 Power Good Signal: 100-500ms Hold-up Time: 16 ms at 75% of full load @ 230 VAC input Efficiency: up to 93%