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This 4-Pin PWM fan splitter cable adopts practical 1 to 2 split design, allowing one original fan header to connect two cooling fans at the same time. It perfectly matches GPU cooling fans and case fans, realizing synchronous speed control and effective heat dissipation for graphics cards. The high-quality sleeved jacket enhances durability, abrasion resistance and flexibility for easy cable management inside the chassis. Built with reliable conductive core and tight-fitting connectors, it ensures stable signal and power transmission without noise or connection issues. Lightweight and plug-and-play, it is a cost-effective cooling upgrade and replacement accessory for PC building.