As the latest high-end case fan of DEEPCOOL, TF 120 series feature unique patented 2-layer blade design to offer a powerful air pressure the scientific channelized frame to reduce the noise arose by the whirlpool of airflow and semi-hermetic Fluid Dynamic Bearing solution to power MTBF up to 100,000 hours The TF120 series fans advanced detachable blade design to give more color choice built-in 3-proof functions (Dustproof, Waterproof, Oil-leakage proof) which satisfy your DIY enthusiasm to build a unique rig Features - 2-Layer Blade Design - Unique patented 2-layer blade design, show an amazing visual feeling to tune in well with wavy LED light. - Double Functions - The unique blade configuration to offer a powerful air pressure; the scientific channelized frame to reduce the noise arose by the whirlpool of airflow - Double Performance - Semi-hermetic Fluid Dynamic Bearing solution to power MTBF up to 100,000 hours; Avoid electromagnetic sound amp; reduce the noise arised by mechanism friction. - DIY Solution - The detachable blade to give more color choice built-in 3-proof functions (Dustproof, Waterproof, Oil-leakage proof) Technical Specification - Overall Dimension : 120X120X26mm - Bearing Type : Fluid Dynamic Bearing - Rated Voltage : 12VDC - Operating Voltage : 10.813.2VDC - Started Voltage : 7VDC - Rated Current : 0.1810%A(MAX) - Power Input : 2.16W - Fan Speed : 500200 -180010%RPM - Fan Connectors : 4-pin for motherboard amp; 4-pin for PSU - Max. Air Flow : 76.52CFM12V/ 58.39CFM7V - Noise : 17.6~31.3dB(A)