Features: Efficient Cooling Management This 1 to 5 4pin fan hub synchronizes up to five computer case fans via 4pin connectors , optimizing airflows and boosting heat dissipation efficiency for high performances. Wide compatibility meets durability – supports multiple fan interfaces across brands with industrial grade PCB construction, ensuring stable power delivery and easy installation convenience. Ideal for gaming enthusiasts, PC builders, and creative professional requiring precise thermal control during intensive tasks like rendering or extended gaming. Maintains stability in gaming rigs, workstations, and multi fan setups by centralizing fan speed adjustments through motherboard 4pins without cable clutter. Features exposed pin protections design for safe operating, with reinforced PCB resisting overheating risks during prolonged use in office or home computing environments. Specifications: Item: 1 to 5 port 4pin Fan HUB Component： PCB Size：about 70x23x11mm/2.76x0.91x0.432in Suitable for computer chassis that require multi-fan control, improves cooling efficiency Package Includes: 1PC 4Pin fan hub 1PC Connecting cable (4 pins) 1PC Chinese and English bilingual installation guide note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution