Features: The 10port PWMs fan speed controller delivers precise cooling adjustments via PWMs signals technology, ensuring optimal systems stability and compatibility with various PC fan without requiring adapters. Featuring smart thermal control module and noise reducing circuit design, this PCB based controller automatically adjusts fan speeds baseds on real time temperature changes while maintaining quiet operations. for gamers, video editors, and enthusiasts who demand efficient heat dissipation during high performances tasks or in noise sensitive environments like offices and homes. Perfect for gaming rigs, workstations, or home PC requiring dynamic cooling solution during extended rendering, heavy multitasking, or intensive computational workloads. With toolless installation and intuitives interfaces, this computer fan controller simplifies upgrades, empowering users to customize their PC cooling systems effortlessly. Specifications: Materials: PCB board Color: Black Size:10x4cm Package Includes: 1PC PWMs Hub note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.