Master your PC’s airflow & noise with the Razer Pulse Width Modulation (PWM) PC Fan Controller. Easily use Razer Synapse software to unlock & customize the pulse width modulation curves for up to 8 fans & enjoy lower noise levels compared to traditional DC powered fan setups. CONNECTS WITH UP TO 8 FANS Designed to provide voltage & PWM control for up to 8 fans, the Razer PWM PC Fan controller supports a diverse range of PC build requirements & offers complete system control. CUSTOM FAN CURVE PROFILES Create custom fan curve profiles via Razer Synapse & have your case fans automatically adjust their speeds based on system temperature—including the ability to run at zero RPM for total silence. CONVENIENT FAN MONITORING Keep track & adjust fan speeds all from a single intuitive interface with Razer Synapse software to ensure optimal performance. THIN PROFILE The Razer PWM PC Fan controller features a low-profile design & magnetic backing, making it easy to install in tight spaces within your PC case.