Fractal design venturi hf 12 120mm computer cooling fan fractal design venturi hf 12 type fan suitable for computer case fan diameter 12 cm colour of product black grey cable length 05 m power supply 13 w maximum current 02 a width 12 cm depth 12 cm height 25 cm bearing technology fdb product description the venturi high flow series fans hf 12 and hf 14 are optimized for low restriction airflow environments making them an excellent choice for computer cas