FSP AC601, Cooler, 4.72" (12 cm), 600 RPM, 1600 RPM, Black, White FSP AC601. Type: Cooler, Fan diameter: 4.72" (12 cm), Rotational speed (min): 600 RPM, Rotational speed (max): 1600 RPM, Bearing type: Sleeve bearing. Width: 4.33" (110 mm), Depth: 4.8" (122 mm), Height: 6.5" (165 mm). Product color: Black, White