What should I do if the fan is too loud?

Check for loose screws causing vibration, remove dust buildup that increases resistance, lower the RPM via BIOS, or consider the bearing type (hydraulic is quieter than double-ball).

How do I know if the fan is dying?

Listen for clicking or grinding noises indicating bearing failure. Check RPM using software like HWMonitor; significantly lower RPM than spec signals issues. Also, check if blades spin freely when powered off.

Should I connect the fan to the motherboard or power supply?

Connect to the motherboard header for speed control, especially with 4-pin PWM fans. Connecting to a PSU Molex runs the fan at 12V full speed, which is simple but noisier.

808025mm High Quality Dust Proof Energy Saving Axial Fan DC Cooling Fan

Name: 80*80*25mm High Quality Dust Proof Energy Saving Axial Fan DC Cooling Fan
Brand: Fengxia Motor (Shanghai) Co., Ltd.
SKU: 2158969492

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

80*80*25mm High Quality Dust Proof Energy Saving Axial Fan DC Cooling Fan

US$1.50

500-4,999 Pieces

US$0.80

5,000+ Pieces

Sample price:US$4.00/piece.Request sample

Product profile

Customization

Available

Material

Plastic-Iron-Copper-Magnet

Blade Material

PBT 94ulv

Model NO.

FD8025

Type

DC Axial Flow Fan

Electric Current Type

Mounting

Free Standing

Certification

RoHS, ISO, CE

Insulation Resistance

10mωor Over with at DC250V Megger

Ielectric Withstand Voltage

AC500V1s

Ambient Temperature

-10℃~+70℃(Operating) -40℃~+70℃(Storage)

Expected Life

+40° ,30000 Hours

Transport Package

Paper Box

Specification

Customized

Trademark

FUNSHARE

Origin

China

Production Capacity

100000 Pieces/Year

Key features

Wide Voltage Compatibility: Operates stably within a 5V-13V range, ensuring flexibility for various power sources.

Multiple Bearing Options: Available in sleeve, hydraulic, and double-ball bearings for different lifespan and noise needs.

Ultra-Quiet Operation: Designed for low noise levels, suitable for notebooks, VR headsets, and office environments.

Full Customization Service: Supports customization from samples, designs, and full OEM/ODM services to meet specific needs.

High Durability & Life: Double-ball bearings offer 5-10 years life; hydraulic bearings provide 4-5 years with better sealing.

Certified Quality Standards: Meets ISO9001, FCC, CE, and RoHS standards, ensuring safety and environmental compliance.

Versatile Application Scenarios: Ideal for UAVs, automotive, medical, communication equipment, and consumer electronics cooling.

Efficient Heat Dissipation: Ensures stable device operation and extended service life through professional cooling design.

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: ≤3.21h

AI-Powered supplier vetting

SummaryThe supplier demonstrates strong customization, R&D, OEM/ODM, quality-control, and complaint-handling capabilities. It reports new products within the past year, provides customization from samples and designs through full customization, and serves known brands through OEM. Production includes two lines, inventory capability, defined inspection procedures, and four QA/QC inspectors. However, important operational limitations exist: no available SDK, no overseas agents, branches, warehouse, or showroom, no offline trade-show participation, and only one experienced export-trade employee. Manufacturing controls also show gaps, including no ongoing quantity reconciliation for each batch and no standard operating procedure for outsourced manufacturing. Financial evidence is represented only by years rather than substantive indicators, so credibility cannot be determined. The supplier holds an ISO9001:2015 certificate, but the available information does not establish broader certification coverage.

Supplier typeThe supplier operates as a manufacturer with two production lines, provides OEM and ODM services, offers inventory capability, and accepts FOB and EXW quotations. It also provides full customization, but lacks overseas agents, branches, warehouses, and showrooms.

CertificationsThe supplier reports an ISO9001:2015 certificate. No additional specific certifications are identified in the provided information.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints and corrective/preventive actions, supporting an established service-response process. However, it has no overseas agents, branches, warehouse, or showroom, which limits demonstrated overseas service infrastructure.

R&D capabilityThe supplier reports new products in the past year, provides ODM services, and assigns R&D personnel to product development, design drawings, production support, and specifications. Nevertheless, it has no available SDK and no design input, output, review, validation, or confirmation documents available for audit.

Production capacityProduction evidence includes two production lines, inventory capability, one-month average lead times in both peak and off-season periods, four QA/QC inspectors, written finished-product inspection instructions, and multiple listed production machines. Controls are weakened by the absence of ongoing batch quantity reconciliation and a standard operating procedure for outsourced manufacturing.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, and full customization, with the same capability reported under both R&D and design services. This directly demonstrates broad customization coverage.

Product Q&A

Q:Why does the fan spin at 5V if the label says 12V?

The motor has a wide voltage tolerance, operating between 5V and 13V. However, it might not start spinning if the voltage drops below approximately 7V.

Q:How can I make the fan quieter?

You can use rubber pegs or grommets instead of screws to reduce vibration, use a low-noise adapter to lower voltage, or adjust the BIOS fan curve to keep RPM low until temperatures rise.

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

3-pin connectors use DC voltage control for fixed or stepped speeds. 4-pin connectors use PWM for automatic, precise, and quieter speed control. A 4-pin fan on a 3-pin header will run at full speed.

Q:How long will the fan last?

Lifespan depends on the bearing type: Sleeve bearings last ~2-3 years, hydraulic bearings ~4-5 years, and double-ball bearings can last 5-10 years with 24/7 tolerance.

Q:Which direction should the fan face?

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