型号 Model	电压 Voltage V	轴承 Bearing Type	电流 Current Amp	功率 Power W	转速 Speed Rpm	风量 Airflow Cfm	噪音 Noise dB(A)	重量 Weight Gram
FM4020D05MSL	5	Sleeve	0.16	0.80	6500	8.10	27	28g
FM4020D05HSL	5	Sleeve	0.19	2.00	7500	9.20	31
FM4020D12MSL	12	Sleeve	0.08	0.96	6900	8.50	28
FM4020D12HSL	12	Sleeve	0.10	1.20	7800	10.10	31
FM4020D24MSL	24	Sleeve	0.07	1.68	6800	8.50	28
FM4020D24HSL	24	Sleeve	0.09	2.16	7800	10.10	31
4020=40*40*20mm ,D05=5V,D12=12V,D24=24V, H=High speed ,M=Middle speed, S=Sleeve , L=Lead wire