10 Best Small Cooling Fan For Electronics [2023 UPDATED RANKINGS]

Features :

• 【WIDELY USED】40x40x10mm usb coolng fans, ideal for cooling game consoles, VR gear, cosplay, helmets, raspberry pi, aquarium, router, small projectors and other DIY projects ventilation
• 【USB POWERED】35cm/1.15ft USB power cord; 5V USB ports compatible with laptop, power bank and all standard USB outlets; don’t need buy additional cords
• 【PROTECTION】Metal fan grill on both sides; Protect your fingers and fan blades; the center to center hole distance is 1.26 in.; Comes with mounting screws
• 【MINI SIZE】Compact lightweight, great for DIY cooling and small spaces, quiet 40mm usb cooling fans keep your system cool and extend the life
• 【QUIET】Dimension: 1.57 x 1.57 x 0.39 in. | Bearings: Sleeve | Current:0.14Amp | Power: 0.7W | Speed: 5500RPM | Airflow: 6.12CFM | Noise: 25.8dBA | Lifespan: 35000 hrs

Features :

• Ultra-quiet UL-certified USB fan designed to cool various electronics and components.
• Features a multi-speed controller to set the fan’s speed to optimal noise and airflow levels.
• Dual-ball bearings have a lifespan of 67,000 hours and allows the fans to be laid flat or stand upright.
• USB plug can power the fan through USB ports found behind popular AV electronics and game consoles.
• Fan Size: 4.7 x 4.7 x 1 in. | Airflow: 52 CFM | Noise: 18 dBA | Bearings: Dual Ball

Features :

• High Quality: The double ball bearing has a service life of 65,000 hours, and the 7 blades generate strong airflow to keep the cabinet cool.
• Three Speeds: Silent fan features a multi-speed controller to set the fan’s speed to optimal noise and airflow levels. Low gear (L), middle gear (M) and high gear (H), the noise is only 21dB in low gear.
• Full Protection: Iron grill on both sides can protect your hands or prevent damage to the power cord during operation.
• Convenient USB Fan: The USB plug can supply power to the fan through the USB port on the back of popular audio-visual electronic equipment and game consoles.
• Dimension: 3.64” X 3.64” X 1.81”. Shockproof foot pads can make the fan lay flat or upright.

Features :

• 2 IN 1 USB Fan 120mm, 2 fans connect to one USB cable and work at the same time. NOTE: Power input Max 5V/1A, excess may damage the motor.
• SqFeatures a multi-speed controller to set the fan’s speed to optimal noise and airflow levels. Suare design allows the fans to be laid flat or stand upright. perfect for cooling Receiver / AV cabint / PS4 console / PC / Laptop / TV Box / Projector / Router.
• Indoor air circulation, plugged it into a wall charger and placed it on the floor vent to bedroom (after removing the lifted feet), No longer having to worry about sweating in bedroom.
• Warranty: One-year quality assurance. Please contact us If the product has any quality problems, it will be replaced within one year.
• 245x125x55mm / 9.65in x 4.92in x 2.17in. | Rated Voltage :5V | Airflow: 56 CFM (x2) | Speed: 2000 RPM | Notice : The fan is not waterproof. At the lowest speed setting, the fan blades will not rotate smoothly due to insufficient starting voltage, resulting in a noise that is normal.

Features :

• Cooling Blower Fan 12vdc 0.06A~0.15A 50mmx15mm Widely used in humidifier, aromatherapy and other small appliances series; small heat radiating communication equipment; military equipment; intelligent industrial control equipment plate cooling heat, high precision medical equipment cooling; pc cpu server cooling dissipation and so on—Repair Replacement (2Pack)
• Bearing: Pure copper bearing made in Japan. Guaranteed to continuously run 20,000 hours under normal temperature. Speed: 5100 RPM
• Total Size : 5 x 5 x 1.5cm /2″ x 2″ x 0.6 ” (L*D*H); Outlet Size : 2 x1.5cm/0.8″ x 0.6″(L*W) Cable Length : 25cm/9.8″; Mounting Spacing : 5.8cm/2.3″;Weight : 26g
• This fan is made of special and premium materials for the Fugetek FG-637, 647 and FG-857 projectors. It is high temperature resistant and extremely durable.
• Brushless Fan,DC Blower Fan,Brushless DC Blower Fan,50x50x15mm Sper fan | Speed: 5100 | Total Airflow: 6.5 CFM | Air Pressure: 8.90mmH2O | Total Noise: 36.5 dBA | Bearings: Sale price $11.49 Sleeve Bearing; Sale price $14.99 Dual Ball Bearing.

Features :

• {Parameter Real Time View}—With Smart Communication Function UART Protocol ,All Parameters can be check Via Bluetooth App or UART USB Connection with PC Monitoring Program.
• {Parameters Programmable} —- Charge And Discharge Protection Current ,Voltage,Temperature Can Be Reset in Certain Range
• {Fast Temperature Cooling}– With Cooling Fan , Greatly Help Cool Down the High Temperature While BMS Working, Friendly to the Tropical Zone.
• {Quality Guarantee}— ISO/ FCC/ RoHS/ PSE/ CE APPROVED.Shipping time—within 9-14 days from China Dalyelec Manufacturing base normally. Delivery will be postponed as per National Holidays Regulation. Tracking information available.
• {Package}– Rated 3.2V LiFePO4 Smart Fan BMS (With Smart Communication Function UART)*1+Bluetooth Module *1+UART USB *1+Matching Balance Wire*1+ Instruction Manual*1

Features :

• 【Bearings】High-quality Dual Ball Bearings, large air flow, low noise, long life 50000hrs, good running stability and corrosion resistance.
• 【Parameter】Dimensions: 25x25x10mm (0.99×0.99×0.8inch), Rated Voltage: DC 12V, Current: 0.05A;
• 【Performance】Speed: 12000RPM, Air Pressure: 0.24InH₂O, Airflow: 2.45CFM, Noise: 27.46dBA
• 【Warranty & Packing List】2Years. 3x 12V 2510 Fan, 30CM (11.8in) Cable – XH2.54
• 【Widely Used in】3D Printer Humidifier Aromatherapy and other Small Appliances Series Small Hear Radiating Communication equipment plate cooling heat Intelligent industrial control equipment plate cooling heat High Precision Medical equipment cooling PC CPU Server Cooling Dissipation Anywhere& electronic that need cooling

Features :

• 【60mm Fan】This EC axial fan consume very less power & better efficiency than AC equivalent. Package include: 1 Piece fan and mounting screws & nuts; 1* Power plug（about 59 inches); 1* Wiring head;
• 【 High Speed Fan 】Designed for projects that requires cooling or ventilation; or as a replacement fan for various products.
• 【Dual-Ball 】bearings have a lifespan of 67,000 hours and allows the fans to be laid flat or stand upright
• 【Plug not Wired to The Fan 】The wires were not connected. Pls understand that because of projects that a fan may be used in.
• 【2 Inch Fan 】60 x 60 x 25 mm ( 2.36 x 2.36 x 0.98 in. ) | Rated Voltage :90V to 270V | Airflow: 24.8 ±10%CFM | Power:1.5W | Speed: 4800 RPM

Features :

• Type: 12V Cooling Blower Fan,Fit for self-control equipment, chassis cabinet,electric welder,computer, etc.
• Dimension:50x50x15mm/1.97×1.97×0.59″;Voltage: 12V;Speed: 6000RPM.
• It is safe and environmentally friendly. The quality of the original materials is good and we have a strict quality control system.
• High Quality:Stable performance, strong power, low noise, long service life.
• Perfect for cooling heatsinks on hot ends, prints, or other cooling needs. Widely used in Printers, humidifiers, heaters, clothes dryers, etc.

Features :

• 【Over current protection-】18650 Li-ion Rated 3.7V battery pack will stop charging and will stop discharging when current reach to the point.
• 【Over-charge over-discharge protection】—18650 Li-ion battery pack will stop charge when a single cell voltage reaches 4.25V and stop discharge when its voltage reaches 2.7V.
• 【Temperature protection】low temperature -7℃ battery protection and high temperature 70℃ discharging battery protection.
• 【Quality Guarantee】— ISO/ FCC/ RoHS/ PSE/ CE APPROVED.Shipping time within 9-14 days from China Dalyelec Manufacturing base normally. Delivery will be postponed as per National Holidays Regulation. Tracking information available.
• 【What You Will Get:】 Rated 3.7V Li-ion Fan bms (WITHOUT SMART COMMUNICATION FUNCTION)+Matching Balance Wire+Temperature Sensor+ Instruction Manual