Model: 4010M12B ND8Size: 40 * 40 * 10MMVoltage: DC-12VCurrent: 0.16AInterface: the default 2-line 2pin or message 2-wire 3pin (empty 1 pin to facilitate plug motherboard 3-pin)(Must pay attention to the black line is 12V negative red line is 12V part of the motherboard 2-pin socket sequence of different attention not to plug otherwise will burn)Speed: Not supportedSpeed: 3900 turn ± 5%Length: 5.8CMBearing: double ballNoise: 16dBAApplicable to: video card, North Bridge, South Bridge, HTPC, ATOM, chassis, memory, game consoles, highly reliable server, and various heat sinks quiet heat DIY transmation\ \ \ \