Discription of Cross Flow 90mm long cooler fan: Size(mm)ModelRated voltage (v)Operating Voltage Range(v)Current amp (Amp)Rated Input Power WattSpeed (rpm)Max air Flow (CFM)Max Static Pressure(Inch-H2o)Noise Leve (dB-A)Weight(g)30*30*90YM12309ANB2127.0 to 13.80.33.6400051.50.8542192 1. Frame: Steel with black painting2. Impeller: Amuminum3. Bearing type: Dual Ball Bearing4. Leadwire: UL1007AWG#24 or Equipment (+): Red (-): Black5. Motor: Impedence Protected and Reverse PolarityProtected6.Certification:ISO9000, UL ,CE, RoHS, TUV7.long life time expectancy: 50,000 hours(400C)8. Allowable Ambient Temperature Range:1). -100C +700C (Operating) 2). -400C +700C (Storage) 3). non-condensing environment Discription of our series Cross Flow 90mm long:Size(mm)ModelRated voltage (v)Operating Voltage Range(v)Current amp (Amp)Rated Input Power WattSpeed (rpm)Max air Flow (CFM)Max Static Pressure(Inch-H2o)Noise Leve (dB-A)Weight(g)30*30*90YM12309ANB1127.0 to 13.80.364.324500621.1148192 YM12309ANB2127.0 to 13.80.33.6400051.50.8542192 YM24309ANB12414.0 to 27.60.215.044500621.1148192 YM24309ANB22414.0 to 27.60.143.36400051.50.8542192