Zalman ZM-DF120 A3 WHITE, Fan, 4.88" (12.4 cm), 800 RPM, 2300 RPM, White Zalman ZM-DF120 A3 WHITE. Type: Fan, Fan diameter: 4.88" (12.4 cm), Rotational speed (min): 800 RPM, Rotational speed (max): 2300 RPM, Bearing type: Ball bearing. Width: 4.88" (124 mm), Depth: 4.72" (120 mm), Height: 0.984" (25 mm). Product color: White