40mm PWM Cooling Fan | 4-Pin Hydraulic Bearing | 40x40x10mm for 3D Printers & PC Components

Engineered for precision thermal management, this DC5V Hydraulic Bearing 40mm fan delivers focused airflow for critical cooling tasks. Its 40x40x10mm form factor and 4-pin PWM interface provide direct, controllable cooling for sensitive electronics, ensuring stable operation by efficiently dissipating heat from high-temperature components. Features and Benefits - 40x40x10mm Hydraulic Bearing Design - Offers a balance of quiet operation and extended service life with reduced friction and wear compared to basic sleeve bearings. - 4-Pin PWM (Pulse Width Modulation) Control - Enables precise, dynamic fan speed adjustment via motherboard or controller input, optimizing cooling performance and acoustics based on real-time temperature. - Compact 40mm Square Form Factor - Fits into tight spaces and standard mounting points commonly found on PCBs and compact electronic enclosures. - DC 5V Operation - Compatible with low-voltage circuits, making it ideal for integration into a wide range of 5V-powered devices and systems. - Durable Plastic Construction with Metal Reinforcements - Provides a robust housing that resists vibration and maintains structural integrity during continuous operation. Applications - 3D Printer Electronics Cooling - Directly cools the mainboard, stepper drivers, or power supply units to prevent thermal throttling and ensure consistent print quality. - Computer Chipset and VRM Cooling - Provides supplemental or replacement airflow for motherboard Southbridge/Northbridge chips and voltage regulator modules in PCs or servers. - DIY Electronics and Prototyping - An excellent choice for custom cooling solutions in Raspberry Pi projects, network hardware, or other compact electronic builds requiring reliable thermal management. - Small Form Factor (SFF) PC Builds - Acts as a vital intake or exhaust fan for mini-ITX cases or specialized compartments where space is at a premium.