With its excellent performance and outstanding quality, the Rosewill RFTL-131409B cooling fan is great for your mainstream or performance system. This 140mm, nine-blade fan operates at 1200RPM ?? 10%0RPM, delivering robust yet quiet cooling, while the transparent frame frame with a red LED is eye-catching, whether inside or outside the chassis. It's also built to last with an FDB bearing, which delivers stable, nearly silent performance for years to come.