Compact 4‑port PWM fan hub with SATA power input, expanding a single motherboard fan header to support up to 4 PWM case or CPU cooler fans with stable power delivery.

The Thermalright FAN HUB X4 is a versatile 4-port PWM fan controller designed to expand a single motherboard fan header to support up to four PWM fans. It provides stable and reliable power through a direct SATA input, ensuring consistent fan speeds and efficient cooling across multiple case or CPU cooler fans. Compact and easy to install, the FAN HUB X4 supports all standard 4-pin PWM fans and allows better cable management, reducing clutter inside your PC case. Ideal for enthusiasts and system builders who want to control multiple fans with a single PWM signal while maintaining quiet operation and optimal airflow throughout the system.