Product Details  Personal computers and associated products,as well as other applications including Audio & Video Products, Automobiles, Equipmen  Model Number: DS-DF04028 Type:DC Brushless fan Housing / Blade: Plastic UL 94-O P.B.T. Insulation Resistance: 10M Ohm, 500VDC/min between bare wire and frame. Dielectric Strength: 5mA max. 500VAC/min between bare wire and frame.  Operation Temp: -10 ~ 70 (Huity 35%-85% RH). Lead Wire: UL 1007 #26 AWG. Weight: 36 g. Part NumberBearing AvailabilityRated Voltage (VDC)Air Flow (CFM)Speed  (RPM)Static Pressure  (mmH2O)Rated Current (mA)Power (W)Noise (dBA)DF0402805XXEYZ2 Ball or Ball + sleeve or Sleeve 56.125,0003.502201.1020.32DF0402805XXLYZ8.266,5004.713001.5024.33DF0402805XXMYZ9.427,5006.053501.7527.43DF0402812XXEYZ126.125,0003.501201.4420.32DF0402812XXLYZ8.266,5004.711601.9224.33DF0402812XXMYZ10.858,0006.891802.1629.05DF0402812XXHYZ11.648,8008.272002.4031.26DF0402812XXUYZ13.2510,00011.582503.0037.32DF0402824XXEYZ246.125,0003.50701.6820.32DF0402824XXLYZ8.266,5004.71902.1624.33DF0402824XXMYZ10.858,0006.891202.8829.05DF0402824XXHYZ11.648,8008.271603.8431.26