"Both coolers come with a 92x92x14mm Noctua NF-A9x14 HS-PWM chromax.black fan, and extra screws for upgrading to a 25mm fan. This fan is very quiet with a 2500 RPM maximum speed that produces 23.6 dBA! The overall height of these coolers when assembled are 37mm with the 14mm fan included, and up to 48mm if users upgrade the fan. Both coolers retail for around $49.95 USD."



Link: Neoseeker