6 Best 5V Case Fan For 2024


Introducing the 6 Best 5V Case Fan for 2023! Are you in search of a high-quality case fan that will keep your computer cool and prevent overheating? Look no further! In this article, we will explore the top 6 options for 5V case fans that are set to dominate the market in 2023. Whether you are a gamer, a graphic designer, or simply an enthusiast who wants to ensure optimal performance of your machine, these case fans are here to meet your needs. So, let's dive in and discover the best cooling solutions for your PC setup in the coming year!

Overall Score: 8.7/10

Introducing the ANVISION 2-Pack 40mm x 10mm DC 5V USB Brushless Cooling Fan, Dual Ball Bearing. This compact cooling fan is the perfect solution for keeping your devices cool and preventing overheating. With a rated voltage of 5V DC and a current of 0.2A, this fan delivers optimal performance. It has a dual ball bearing design for enhanced durability and longevity. The fan is equipped with a USB lead wire, making it easy to connect to your devices. With a warranty of two years and a package that includes 2 DC brushless fans, you can trust that this product will meet your cooling needs. Whether you're using it for your computer, Raspberry Pi, or other electronic devices, the ANVISION Cooling Fan is a reliable choice.

Key Features

  • -Rated Voltage: 5V DC, Current: 0.2A
  • -Airflow: 7.32CFM, Speed: 6000RPM, Noise: 26.26d BA
  • -Bearing Type: Dual Ball Bearing
  • -Lead Wire: USB, length: 500mm/19.68inch
  • -Warranty: two years, Package: 2x DC brushless fans


  • Color: Black ( 5V 40mm USB FAN )
  • Dimension: 1.57Lx1.57Wx0.39H
  • Size: 5V 40mm USB FAN


  • USB connection for easy use with a power bank
  • Very cheap and comes with 2 fans
  • Very good airflow for such a tiny fan
  • Thin and small design perfect for mounting in project cases
  • Great replacement fan with direct fit and plug-in connector
  • Ideal for Raspberry Pi projects for keeping it cool
  • Quiet operation for most uses


  • Exposed cables may be prone to accidental tugging
  • Relatively quiet but not suitable for continuous use near humans
  • Does not come with screws or other mounting hardware
  • Requires resistor for speed adjustment and lower noise level
  • May produce a high-pitch hum in certain setups

Overall, the ANVISION 2-Pack 40mm x 10mm DC 5V USB Brushless Cooling Fan, Dual Ball Bearing is a cost-effective and efficient cooling solution. It offers great airflow and reliability for various devices such as computers and Raspberry Pi projects. While it may produce some noise and require additional hardware for mounting, it performs well in keeping temperatures low and preventing overheating. The USB connection and compact design make it convenient to use. However, caution should be taken with the exposed cables. With its affordable price, two-year warranty, and included package, this cooling fan is definitely worth considering for your cooling needs.

Overall Score: 9.1/10

The GDSTIME 5Volt 120mm Fan is a versatile cooling solution suitable for various applications. It can be used for cooling, ventilation, air circulation, or as a replacement fan for different products. The fan features a hydraulic bearing with bottom sealed design, ensuring a longer service life and quiet operation similar to a sleeve bearing. With the XH 2.54mm 2-PIN CONNECTOR, you have the flexibility to adjust the wire positions according to your needs. The fan can be installed as both an intake or exhaust fan in your desktop or server chassis, providing cooling where required. It operates at a low speed of 1500 RPM, generating a healthy amount of airflow at a low noise level of 23.1 dBA. The fan comes with two metal fan grills and a mounting screw set for easy installation. Overall, it offers reliable cooling performance and comes with a one-year warranty policy.

Key Features

  • Wide applications
  • Long service life
  • XH 2.54mm 2-PIN CONNECTOR
  • Two way installation
  • Low speed
  • Fan specs
  • What'S in the box
  • Warranty policy


  • Dimension: 4.72Lx4.72Wx1.00H


  • Wide range of applications
  • Long service life
  • Two-way installation
  • Low noise
  • Generates a healthy amount of airflow


  • Low voltage may limit airflow

The GDSTIME 5Volt 120mm Fan is a dependable cooling option that offers great value for its price. Its wide range of applications and long service life make it suitable for various cooling needs. The low noise level and healthy airflow further enhance its value. However, due to the low voltage, it may not provide as high airflow as some other fans. Overall, if you’re in need of a reliable and versatile cooling solution, the GDSTIME 5Volt 120mm Fan is a solid choice.

Overall Score: 8.5/10

The UMLIFE 120mm 5V USB Computer PC Fan is a powerful and efficient cooling solution for your PC computer case, CPU coolers, and radiators. With its compact size and high-speed operation, this fan effectively cools your system while maintaining a low noise level. The fan features oil bearings and a rated voltage of 5V, ensuring optimal performance and durability. With a rated speed of 2000 RPM and an air flow of 66.3 CFM, it provides excellent cooling capability. The fan also comes with a 5V USB connection for convenient power supply. Easy to install and adjust, this fan is a great addition to any computer setup.

Key Features

  • Dimensions: 120mm(L) x 120mm(W) x 25mm(H)
  • Oil bearings 12025 Fan 5V USB – High Speed version
  • Rated voltage: DC 5V
  • Size: 120x120x25mm
  • Rated Current: 0.5Amp; Rated Speed: 2000 RPM; Air flow: 66.3CFM; Noise: 31.5 d BA


  • Color: 5V Usb


  • Powerful cooling capability
  • Low noise level
  • Compact and easy to install
  • Adjustable speed control


  • May be too loud for some users
  • Fans may not move a significant amount of air

The UMLIFE 2PACK 120mm 5V USB Computer PC Fan is a reliable and efficient cooling solution for your PC setup. With its powerful performance and low noise level, it effectively cools your system without causing disturbance. The adjustable speed control allows you to customize the cooling based on your needs. However, some users may find the fans to be too loud, and they may not move a significant amount of air. Overall, it is a great value for its price and provides excellent cooling for your computer components.

Overall Score: 8/10

The WINSINN 40mm Fan 5V is a micro-sized and lightweight cooling fan suitable for various applications such as 3D printer extruders, hotends, and narrow spaces. It features high-quality Dual Ball Bearings with a 5-year warranty, providing a balance between high air volume and low noise. With a rated voltage of DC 5V and a power of 0.75W, this fan delivers efficient cooling performance. Its compact size of 40mm x 40mm x 10mm makes it ideal for small electronic equipment cooling ventilation. The pack includes 2 fans with a connector and a cable length of 11.8 inches (300mm). Overall, the WINSINN 40mm Fan 5V is a reliable and versatile cooling solution for various applications.

Key Features

  • Micro size and lightweight design
  • High-quality Dual Ball Bearings with 5-year warranty
  • Suitable for 24/7 long-term work
  • Widely used for small electronic equipment cooling ventilation
  • Packing list includes 2 fans with connector and cable


  • Dimension: 1.57Lx1.57Wx0.39H


  • High air volume with low noise
  • Long lifespan of 50,000 hours
  • Versatile and suitable for various applications
  • Comes with a 5-year warranty
  • Compact size for easy installation


  • Wires may be too short for some specific setups
  • Not as quiet as advertised

The WINSINN 40mm Fan 5V is a reliable and efficient cooling solution for any DIY project requiring micro-sized fans. With its high air volume, low noise, and long lifespan, it offers great value for the price. While the wire length may be a concern for some users, the fan’s performance and versatility make up for this drawback. Whether you need to cool your 3D printer, small PC case, or electronic equipment, these fans deliver excellent airflow and reliability. Their compact design also ensures easy installation in tight spaces. Overall, the WINSINN 40mm Fan 5V is a top choice for anyone in need of a high-quality micro fan.

Overall Score: 8.4/10

The Wathai 40mm x 40mm x 20mm 5V 2Pin DC Case Fan is a powerful and efficient cooling fan perfect for various applications. It moves a high volume of air without excessive noise and offers a reliable cooling solution. With its compact size and easy installation, it is a popular choice for 3D printers, dishwashers, DVRs, and more. The fan comes with all necessary mounting screws and nuts, and its durable sleeve bearing ensures long-lasting performance. While it may not be the quietest option, its effectiveness and affordability make it a worthwhile choice for those in need of efficient cooling.

Key Features

  • Package include: 1 Piece fan include mounting screws & nuts
  • Rated Power:DC 5V 0.16Amp Bearing type:Sleeve
  • Speed:6000RPM Air flow:7.85CFM Noise:22d BA
  • Connecter:XH2.54-2P Cable Length:20cm Or 8 inches
  • Size:40x40x20mm or 15.7×15.7×7.9inches 23g/pcs


  • Color: 5V
  • Dimension: 15.70Lx15.70Wx7.90H


  • Moves a lot of air without excessive noise
  • Easy to install with included mounting screws and nuts
  • Affordable and effective cooling solution
  • Durable sleeve bearing for long-lasting performance


  • Produces noticeable noise
  • May not run at expected speed in some devices
  • Not the quietest option available

The Wathai 40mm x 40mm x 20mm 5V 2Pin DC Case Fan is a reliable and affordable cooling fan that excels in moving a high volume of air. While it may not be the quietest option, its excellent performance and effectiveness make it a popular choice for various applications. From 3D printers to dishwashers, this fan provides reliable cooling and comes with all necessary components for easy installation. If noise is not a major concern, this fan offers great value for its price. Overall, the Wathai Cooling Fan is a top choice for those in need of efficient cooling in a small form factor.

Overall Score: 7/10

The Diitao 5PCS 4010 DC 5V USB Brushless Cooling Fan is a compact and powerful cooling solution suitable for various applications such as computer cases and 3D printers. With its dimensions of 40x40x10mm and a rated voltage of 5V DC, this fan delivers strong airflow while maintaining a quiet operation with a noise level of 22 DBA. The wiring mode features a standard USB interface, allowing for easy direct connection and installation. The package includes 4PCS of these DC 5V brushless fans. However, it's important to note that this fan may stop working in damp environments. Additionally, some users have reported that certain fans in the set may be loose and produce noise. Overall, the Diitao 5PCS 4010 DC 5V USB Brushless Cooling Fan offers a compact and efficient cooling solution for your computer or 3D printer setup.

Key Features

  • Dimensions: 40x40x10mm; rated voltage: 5V DC, current: 0.21A
  • Airflow: 3CFM, Speed: 6500±5%PRM, Noise: 22 DBA
  • Operating Temperature: -10-70 degrees Celsius
  • Wiring mode: Standard USB interface, universal interface
  • Easy direct connection and installation
  • Cable length: 500mm/19.68 inches
  • Size: 40x40x10mm/1.57×1.57×0.39
  • With strong air volume, suitable for installation in narrow spaces
  • Package includes: 4PCS x DC 5V brushless fan
  • Note: In damp environments, it will stop working


  • N/A


  • Compact size and powerful airflow
  • Easy installation with standard USB interface
  • Suitable for narrow spaces


  • May stop working in damp environments
  • Some fans may be loose and cause noise

The Diitao 5PCS 4010 DC 5V USB Brushless Cooling Fan provides a cost-effective cooling solution for various devices. Its compact size, strong airflow, and easy installation make it suitable for narrow spaces. However, users should be cautious about using it in damp environments as it may stop working. The issue of loose fans causing noise can also be a drawback. Despite these minor concerns, this fan offers reliable cooling performance for computer cases and 3D printers. Overall, if you are in need of a compact cooling fan for your device, the Diitao 5PCS 4010 DC 5V USB Brushless Cooling Fan is worth considering.

Buyer's Guide: 5v Case Fan

If you're looking to enhance the cooling efficiency of your computer system or any other electronic device, a 5v case fan can be a fantastic addition. With a wide range of options available in the market, it's crucial to make an informed decision before making a purchase. Our buyer's guide will help you navigate through the various features, specifications, and considerations to choose the ideal 5v case fan that suits your needs.

Here are the key factors you should consider when buying a 5v case fan:

  1. Size matters: Check the dimensions of the case fan to ensure it fits within your system. Common sizes include 80mm, 120mm, and 140mm. Larger fans generally offer better airflow, but make sure your case has enough space.
  2. Airflow and static pressure: Look for a fan with sufficient airflow to cool your system effectively. Higher airflow ratings are beneficial for better cooling. Additionally, pay attention to static pressure ratings if you have restricted airflow areas like radiators or heatsinks.
  3. Noise level: Consider the noise level produced by the fan. Fans with higher revolutions per minute (RPM) tend to be louder. If noise reduction is a priority, go for fans with lower noise ratings, often measured in decibels (dB).
  4. Fan bearing type: The bearing type determines the durability and smoothness of operation. Common options include sleeve, ball, and fluid dynamic bearings. Fluid dynamic bearings are quieter and last longer, whereas sleeve bearings are an affordable alternative suitable for less demanding use.
  5. Connector type: Ensure the fan connector is compatible with the motherboard or power supply connections in your system. Most 5v case fans use either a 3-pin or 4-pin connector, so check which one your system supports.
  6. LED lighting: If aesthetics matter, choose a fan with LED lighting. You can find fans with various color options to match your system's theme. However, remember that LED fans might consume a bit more power than non-LED ones.
  7. Control options: Some fans offer control features like variable speed control or PWM (Pulse Width Modulation) control. These options allow you to fine-tune the fan speed and noise level based on your requirements. Consider if such control features are important to you.
  8. Build quality: Look for fans made from durable materials and with well-designed blades for optimal airflow. Consider brands known for their quality products and positive customer reviews.

Frequently Asked Questions about 6 Best 5V Case Fan For 2023

Can I use a 5v case fan with a 12v power supply?

No, using a 5v case fan with a 12v power supply can cause damage to the fan and potentially other components. Always make sure the fan and power supply voltages match.

Are 5v case fans backwards compatible with 3-pin or 4-pin connectors?

Yes, most 5v case fans are compatible with both 3-pin and 4-pin connectors. However, make sure to check the specifications of the fan and your connector compatibility to be certain.

How can I reduce the noise level of my 5v case fan?

There are a few methods to reduce fan noise. You can invest in a fan with lower noise ratings, use rubber fan mounts to dampen vibrations, or adjust the fan speed if your system allows it. Additionally, ensuring proper fan positioning and cleaning dust can also help reduce noise levels.

How many case fans do I need for my system?

The number of case fans you need depends on factors like the components in your system, their heat generation, and your desired cooling efficiency. As a general rule, having at least one intake and one exhaust fan is advisable for proper airflow.

Can I daisy-chain multiple 5v case fans together?

Yes, it is possible to daisy-chain multiple 5v case fans together, usually using the fan headers on your motherboard or other compatible devices. However, keep in mind the maximum number of fans that can be safely connected and the power requirements to avoid overloading your system.