The CUQ-1200B delivers 1200W at a maximum of 87% power efficiency. Built to provide maximum output to quad-core system setups with quad PCI-E connectors to fully support SLI system. With a 12V output of 900W over four rails to provide uniform distribution of power, the CUQ-1200B is very capable of driving today's highest-end systems cost-effectively. It comes with a 13.5 + 8cm cooling fan to provide the best balance between cooling and noise level. Powerful and clean, this modular power supply allows you to customize your connectors, eliminating clutter. Gamers, rest assured, the CUQ-1200B is ready to power your system.