Rowiz 8pcs 40mm (4cm) DC 24V Cooling Fan with 2 Pin Connector High Speed Brushless Mini Heatsink for 3D Printer Makerbot Accessories Computer CPU Cooler, 40x40x10mm

Basic parameters: Fan size 40×40×10mm (standard 4010), rated voltage 24V DC, current 0.06A, rotational speed 6000 RPM. Uses 2-pin interface (2.54mm pin spacing), red wire positive, black wire negative, wire length 30cm Stable operation: Equipped with oil-filled bearings, it operates smoothly and at a reasonable cost. The estimated lifespan is up to 60,000 hours, far exceeding the average lifespan of ordinary oil-filled bearings, making it suitable for long-term continuous operation in cooling scenarios. The 24V brushless DC motor ensures continuous high-speed operation and is not affected by long-term load High-temperature resistance: The fan has the characteristic of high-temperature tolerance, enabling it to operate stably at higher ambient temperatures without experiencing lubrication failure or speed reduction due to temperature rise Silent experience: The operating noise is only approximately 24 dB, which is at a level almost imperceptible to the human ear. It is highly suitable for quiet environments such as study rooms, libraries, and bedrooms. It provides sufficient air circulation without disturbing work or rest Packaging contents and installation instructions: The packaging contains 4 sets (a total of 8) of 24V 4010 fans, each equipped with 2-pin terminal wires. During installation, simply connect the red positive and black negative, and it will work out of the box. Note: A 24V DC power supply must be used; do not connect to a 5V USB