Zalman "ZM-F3" 120mm Black Case Fan, 120x120x25mm, Sleeve bearing, 3-pin connector, Speed: 900RPM~ 1800RPM, Noise: 20db~34dbAZalman ZM-F3 120mmx120mmx25mm Black Case Fan, Sleeve bearing, Speed: 900RPM±10% (Silent) ~ 1800RPM±10% (Normal), Noise: 20db±15% (Silent)~34db±10% (Normal), Select mode of operation (Silent/Normal) by utilising the Noiseless Connector RC56