From Makers Electronics's description

NMB MAT 4710KL-04W-B56 DC Fan 12V 0.72A 120×120×25mm (USED LIKE NEW) The NMB MAT DC Fan 4710KL-04W-B56 is a robust axial cooling fan designed to deliver stable and efficient airflow in demanding environments. Its construction reflects a balance between mechanical strength and smooth operation, allowing it to perform consistently under continuous use. The fan’s design emphasizes reliability and durability, making it suitable for long-term operation where steady airflow is essential. This fan is engineered with precision components that ensure smooth rotation and minimal vibration during operation. The internal structure supports stable airflow movement while maintaining mechanical balance, which contributes to its dependable performance. The overall build quality reflects industrial-grade manufacturing standards, ensuring the fan can withstand operational stress over extended periods. With its standardized form factor and well-designed airflow structure, the fan integrates easily into various cooling systems. Its design supports efficient thermal management while maintaining operational stability. The NMB MAT 4710KL-04W-B56 represents a reliable solution for cooling needs where consistent performance, durability, and mechanical stability are required. Features: Dual ball bearing design for long operational life. Stable and smooth rotational performance. Intelligent speed control capability. Speed monitoring support (tachometer signal). Multi-speed operation capability. High reliability under continuous operation. Durable mechanical construction. Low vibration and stable airflow behavior. Industrial-grade design quality. Compatibility with standard fan connectors. Specifications: Parameter Value Manufacturer: NMB Technologies (NMB MAT) Model: 4710KL-04W-B56 Fan Type: DC Axial Fan Rated Voltage: 12 VDC Rated Current: 0.72 A Input Power: 6.6 W Dimensions: 120 × 120 × 25 mm Speed: Up to 2800 RPM Air Flow: Up to 114.7 CFM (≈ 3.25 m³/min) Static Pressure: 50.5 Pa Noise Level: 41.5 dB(A) Bearing Type: Ball Bearing Weight: ≈ 180 g Operating Voltage Range: 6 – 13.8 VDC Operating Temperature: -10°C to 70°C Lifetime: Up to 100,000 hours Connector Type: 4-wire (PWM / tach support) Material: Plastic frame and impeller Applications: Computer Cooling Systems. Server Equipment Cooling. Industrial Electronics Cooling. Power Supply Cooling. Telecommunications Equipment. Networking Devices. Automation Systems. Control Panels. Embedded Systems. Thermal Management Systems. Package Contents: 1x NMB MAT DC Fan 4710KL-04W-B56 12V 0.72A 120×120×25mm (USED LIKE NEW)

From Makers Electronics's description

NMB MAT 4715KL-04W-B56 DC Fan 12V 1.3A 120×120×38mm (USED LIKE NEW) The NMB MAT 4715KL-04W-B56 DC fan is a high-performance axial cooling device designed to provide strong and stable airflow in demanding environments. Its structure reflects industrial-grade engineering, combining a solid frame with precisely shaped blades to ensure smooth and consistent air movement. The fan is built to operate reliably under continuous use, making it suitable for systems that require dependable thermal control. The internal design of the fan emphasizes mechanical stability and balanced rotation, which helps maintain steady airflow while reducing operational disturbances. The materials used in its construction are selected to withstand long-term operation and varying environmental conditions. The overall design demonstrates a focus on durability and performance, ensuring that the fan maintains consistent behavior throughout its service life. With its standardized form factor and robust construction, the fan integrates easily into various cooling assemblies. Its design supports efficient air circulation while maintaining structural strength and operational reliability. The NMB MAT 4715KL-04W-B56 represents a professional cooling solution that combines durability, stability, and performance for advanced thermal management systems. Features: Dual ball bearing system for extended lifespan. High-performance axial airflow design. PWM speed control capability. Tachometer output for speed monitoring. Automatic restart function. Polarity protection circuit. Stable rotational balance. High mechanical durability. Industrial-grade build quality. Reliable continuous-operation performance. Specifications: Parameter Value Manufacturer: NMB Technologies (NMB MAT) Model: 4715KL-04W-B56 Fan Type: DC Axial Fan Rated Voltage: 12 VDC Rated Current: 1.30 A Rated Power: 15.6 W Dimensions: 120 × 120 × 38 mm Speed: 3600 RPM Airflow: 130 CFM (3.68 m³/min) Static Pressure: 110 Pa Noise Level: 50 dBA Bearing Type: Ball Bearing Connector: 4-Wire Leads Operating Voltage Range: ~7.0 – 13.2 VDC Operating Temperature: -10°C to 70°C Life Expectancy: Up to 180,000 hours Frame Material: Plastic Impeller Material: Plastic Applications: Server Cooling Systems. Computer Hardware Cooling. Industrial Electronics Cooling. Power Supply Units. Telecommunications Equipment. Networking Devices. Automation Systems. Control Cabinets. Embedded Systems. High-Performance Cooling Systems. Package Contents: 1x NMB MAT 4715KL-04W-B56 DC Fan 12V 1.3A 120×120×38mm (USED LIKE NEW)

From Makers Electronics's description

NMB MAT 4715KL-04W-B56 DC Fan 12V 1.6A 120×120×38mm (USED LIKE NEW) The NMB MAT 4715KL-04W-B56 DC fan is a high-performance cooling solution built for demanding applications requiring strong and consistent airflow. Operating at 12V with a current rating of 1.6A, this fan is capable of delivering excellent cooling performance, making it ideal for high-heat environments such as servers, power systems, and industrial equipment. With its large 120×120×38mm form factor, it provides superior air pressure and airflow compared to standard fans, ensuring efficient heat dissipation even in tightly packed systems. In “used like new” condition, it offers a cost-effective option while maintaining high reliability and durability. Its solid construction supports long-term continuous operation. Features: Very high airflow for intensive cooling needs. Heavy-duty and durable construction. Designed for continuous and long-term operation. Large size for improved air pressure and efficiency. Stable and reliable performance. Suitable for industrial and server environments. Specifications: Parameter Value Model NMB MAT 4715KL-04W-B56 Type DC Axial Fan Rated Voltage 12 V Rated Current 1.6 A Power Consumption 19.2 W Frame Size 120 x 120 mm Thickness 38 mm Bearing Type Dual Ball Bearing (NMB) Speed 4000 – 5500 RPM Airflow 150 – 250 CFM Static Pressure 0.80 – 1.40 inH₂O Noise Level 50 – 65 dBA Connector Type 3‑pin (tachometer) or 2‑pin Applications: Server and data center cooling. Industrial machines and control systems. Power supply units. Telecom equipment. High-performance computing systems. Ventilation for enclosed electronics. Package Includes: 1x NMB MAT 4715KL-04W-B56 DC Fan 12V 1.6A 120×120×38mm (USED LIKE NEW).

From Makers Electronics's description

NMB 3110KL-04W-B56 DC Fan 12V 0.3A 80x80x25mm (USED LIKE NEW) The NMB-MAT 3110KL-04W-B56 is a high-performance 80mm industrial-grade axial fan designed for reliable, long-term cooling. Engineered by Minebea-Matsushita, this fan features a dual ball-bearing system that ensures stability and a significantly longer lifespan compared to standard sleeve-bearing fans. With its 4-wire PWM (Pulse Width Modulation) interface, it offers precise speed control, making it ideal for systems that require a balance between high-airflow performance and silent operation. Features Precision PWM Control Dual Ball Bearing Design High Performance-to-Size Ratio Industrial Build Quality Safety Protections Specifications Feature Specification Manufacturer NMB-MAT (Minebea-Matsushita Motor Corp.) Model Number 3110KL-04W-B56 Dimensions 80mm x 80mm x 25mm Rated Voltage 12V DC Current Rating 0.30A Input Power 3.6W Connection Type 4-Wire (5 Pins) Weight 85g Applications IT & Networking Industrial Electronics DIY Projects Replacements Package Content 1 x NMB 3110KL-04W-B56 DC Fan 12V 0.3A 80x80x25mm (USED LIKE NEW)