The 735W Haswell Ready Power Supply satisfies your virtual instincts, while 80 Plus Bronze Certification guarantees more than 85% efficiency and clever fan design allows for little or no detectable fan noise during regular operation. The 135mm LED fan with matte black finish and black and blue color twisted fishnet cables make cool high-tech look. The modular cabling system lets you use only the cables you need. No clutter or extra cables in the way for clean-looking and better airflow.