How do I know if the fan is dying?

Listen for clicking or grinding noises, check RPM via software for significant drops below specs, or manually spin the blade to check for wobble or stiffness.

Can I connect the fan to the power supply?

Yes, connecting to a PSU Molex runs the fan at 12V full speed, which is simple but louder. Motherboard headers allow for speed control.

Does more blades mean better performance?

More blades increase static pressure (good for radiators) but may be louder. Fewer blades provide higher airflow (good for ventilation) with lower noise.

808025mm High Speed Big Airflow Axial Flow Cooling DC Fan

Name: 80*80*25mm High Speed Big Airflow Axial Flow Cooling DC Fan
Brand: Fengxia Motor (Shanghai) Co., Ltd.
SKU: 2243783045

Shanghai, ChinaFengxia Motor (Shanghai) Co., Ltd.

80*80*25mm High Speed Big Airflow Axial Flow Cooling DC Fan

US$2.50-3.00

1 Piece

Sample price:US$2.50/piece.Request sample

Product profile

Customization

Available

Material

Aluminum Fan

Blade Material

PBT 94ulv

Model NO.

8025 DC Fan

Type

Axial Fan

Electric Current Type

Mounting

Free Standing

Certification

RoHS, ISO, CE

Transport Package

Paper Box

Specification

80*80*25mm

Origin

China

Production Capacity

100000 Pieces/Year

Key features

High Speed & Airflow: 80*80*25mm axial fan designed for high-speed operation and big airflow cooling performance.

Durable Materials: Constructed with Aluminum fan frame and PBT 94ulv blades for stability and heat resistance.

Multiple Bearing Options: Available in sleeve, hydraulic, and double-ball bearings with lifespans from 2 to 10 years.

Wide Voltage Tolerance: Operates effectively within a 5V-13V range, ensuring compatibility with various power sources.

Full Customization: Supports full customization from samples and designs, including OEM and ODM services.

International Certifications: Products certified with RoHS, ISO, CE, and FCC, ensuring high quality and safety standards.

Flexible Control: Supports both 3-pin DC voltage control and 4-pin PWM for precise and quiet speed adjustment.

100% Quality Inspection: Every finished product undergoes strict visual and functional inspection before shipment.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Fengxia Motor (Shanghai) Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 5 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.83h

AI-Powered supplier vetting

SummaryThe supplier provides extensive customization options and has a strong research and development capability, including ODM services and new product development. However, they lack overseas warehouse and showroom capabilities, and do not have overseas agents or participate in trade shows. Their financial data is up-to-date and they hold an ISO9001:2015 certification. Despite having quality assurance processes, the manufacturing capacity seems limited with only two production lines and no ongoing volume reconciliation or outsourcing SOPs.

CertificationsHolds an ISO9001:2015 certificate, indicating compliance with quality management standards.

After-Sales capabilityHas clear procedures and records for handling customer complaints and implementing corrective actions.

Financial creditFinancial data is current, with information available up to the last three years, demonstrating financial stability.

R&D capabilityStrong R&D capabilities with evidence of new product development, though lacking in audit documentation.

Production capacityLimited production capability with only two production lines, and lacks ongoing volume reconciliation and outsourcing SOPs.

Customization capabilityOffers full customization services from samples and designs, with a comprehensive design service capability.

Client casesProvides OEM services for well-known brands, suggesting a history of working with reputable companies.

Product Q&A

Q:How can I reduce fan noise?

Use rubber grommets instead of metal screws to reduce vibration, use a low-noise adapter to drop voltage, or lower RPM via BIOS settings.

Q:What is the difference between 3-pin and 4-pin fans?

3-pin fans use DC voltage control for fixed or stepped speeds. 4-pin fans use PWM for automatic, precise, and quieter speed variation controlled by the motherboard.

Q:How long does the fan last?

Lifespan depends on the bearing type: Sleeve bearings last ~2-3 years, hydraulic bearings ~4-5 years, and double-ball bearings 5-10 years.

Q:Which direction should the fan face?

Check the arrows on the frame. Generally, front/side fans are for intake (cool air in), and rear/top fans are for exhaust (hot air out).

Q:Why does the fan spin at 5V if it is labeled 12V?

Most motors have a wide tolerance range of 5V-13V. However, they may not start spinning reliably below approximately 7V.