The Thermaltake Toughpower TP-1350M is a high-end power supply unit designed to perform at a high efficiency rate, ideal for advanced power users who demand greater cooling and higher power for their systems. The Active Power Factor Corrector (Active PFC) helps the unit to deliver a stable 1350 Watts of continuous output with up to 91% efficiency. Robust and dedicated dual +12V rails(60A for 12V1 & 12V2) design enhances power distribution and provide superior performance for your PC. The Toughpower TP-1350M is com Fans: 1 x 14cm dual ball bearing Fan, 1900 RPM ±10% Main Connector: 24Pin +12V Rails: 2 PCI-Express Connector: 6 x 6+2-Pin SATA Power Connector: 12 Power Good Signal: 100-500ms Hold-up Time: 16ms min. Efficiency: 85% - 88% efficiency @ 115VAC input 87% - 91 % efficiency @ 230VAC input