Model No.:B06 Dimension: 300*230*35mm weight: 980g material: Steel/ aluminum fan bearing: sleeve bearing fan quantity: 3pcs fan dimension: 60*60*10mm voltage: dc 5v current: 0.1A power: <1.5W speed: 2200r.p.m life: 30,000 hours air flow: 30CFM noise: 21dB power model: USB/ external power supply jack build-in USD hub: 4pcs/hub G.W.: 10.6kg N.W.: 9.6kg