2 PCS 50mm x x 10mm Brushless Cooling Fan, ICSTATION DC 12V Fan*2
Product Details

• Publisher: IS
• Publication date: 0
• Item weight: 36 g
• Dimensions: 5 x 5 x 1 cm

• 50x50x10 mm Quiet cooling fan, 12v, 3000±10% RPM, 30,000h MTTF. They are durable and you don't need to buy another small fan in the next 30,000 hours.
• Use these 23 dB cooling fans to get near-silent operation. Ideal replacement for noisy or broken 12V 5cm fans in 3D printers, DVD players, DVRs, switches, other network and storage devices, etc.
• The 9-blade fans can be run 2700 to 3000 rpm by fine-tuning the fan for maximum airflow(6.25 CFM)
• You will need a battery pack/power supply that supplies 12vdc and has a capacity sufficient to provide 100ma to make the fans run. A 2.5mm pitch 2-pin connector makes it compatible with your computer motherboard or 3D printer power system.